Vydavatelia Helion & Company

Cover for Jean-Louis Vial · French Infantry during the Seven Years War 1756-1763 Volume 2 Regimental Distinctions and Colours: Part One: French Regiments No.1 to No.74 - From Reason to Revolution 1721-1815 (Paperback Book) (2025)

French Infantry during the Seven... (2025)

Jean-Louis Vial

Cover for Dmitry Zubkov · Whiskey-class Submarines: Soviet Project 613 Submarines in Service with Foreign Navies, 1950-1990 - Technology@War (Paperback Book) (2025)

Whiskey-class Submarines: Soviet... (2025)

Cover for Abraham Abrams · F-35 Joint Strike Fighter: A Great and Terrible Program - Technology@War (Hardcover Book) (2025)

F-35 Joint Strike Fighter: A Gre... (2025)

Cover for Soviet General Staff · Prelude to Berlin: The Red Army's Offensive Operations in Poland and Eastern Germany, 1945 - Association of the United States Army (AUSA) publications (Hardcover Book) (2025)

Prelude to Berlin: The Red Army'... (2025)

Soviet General Staff

Cover for Soviet General Staff · The Budapest Operation: An Operational-Strategic Study - Association of the United States Army (AUSA) publications (Hardcover Book) (2025)

The Budapest Operation: An Opera... (2025)

Soviet General Staff

Cover for Stephen Turnbull · Oda Nobunaga: Samurai Commander 1534-82 - From Retinue to Regiment 1453-1618 (Paperback Book) (2025)

Oda Nobunaga: Samurai Commander ... (2025)

Stephen Turnbull

Cover for Kenton White · Fuentes de Onoro: Massena's Last Battle and the Campaign of 1811 - From Reason to Revolution 1721-1815 (Paperback Book) (2025)

Fuentes de Onoro: Massena's Last... (2025)

Cover for Ukrainian War Stories - Undergroundstrategy Press / Helion (Paperback Book) (2025)

Ukrainian War Stories - Undergro... (2025)

Cover for John Gordon Sennett · Accidental Ukrainians: Parts One to Three (Paperback Book) (2025)

Accidental Ukrainians: Parts One... (2025)

John Gordon Sennett

Cover for Andrew Abram · Garrisons and Garrison Warfare in the British Civil Wars, 1638-1653 - Century of the Soldier 1618-1721 (Paperback Book) (2025)

Garrisons and Garrison Warfare i... (2025)

Cover for Fergus Cannan-Braniff · The Gaelic World at War: Soldiers & Soldiering in Ireland 1366-1547 - A Time of Knights 400 CE to 1453 CE (Paperback Book) (2025)

The Gaelic World at War: Soldier... (2025)

Fergus Cannan-Braniff

Cover for Olivier Lapray · Napoleon's Cuirassiers in Spain: The History of the 13th Cuirassiers Regiment (1808–1814) - From Reason to Revolution 1721-1815 (Paperback Book) (2025)

Napoleon's Cuirassiers in Spain:... (2025)

Cover for London Pride: The London Territorial Force in Peace and War, 1908-1921 Volume 1: Peacetime, Society and the Transition to War (Hardcover Book) (2025)

London Pride: The London Territo... (2025)

Cover for Ben Zweibelson · Bad War Stories (Hardcover Book) (2025)

Bad War Stories (2025)

Cover for Ritta Nakanishi · Japanese Military Uniforms 1841-1929: From the fall of the Shogunate to the Russo-Japanese War - Asia@War (Paperback Book) (2025)

Japanese Military Uniforms 1841-... (2025)

Ritta Nakanishi

Cover for Stijn Mitzer · The Armed Forces of North Korea Volume 2: Korean People´s Army Air and Anti-Air Force - Asia@War (Paperback Book) (2025)

The Armed Forces of North Korea ... (2025)

Cover for Tom Isitt · Thunder in the Mountains: The First World War on the Italian Front (Paperback Book) (2026)

Thunder in the Mountains: The Fi... (2026)

Cover for Rob Anderson · The Spanish Passion: Wargaming the Spanish Civil War 1936-39 - Helion Wargames (Paperback Book) (2026)

The Spanish Passion: Wargaming t... (2026)

Cover for Jean-Louis Vial · French Infantry during the Seven Years War 1756-1763 Volume 2 Regimental Distinctions and Colours: Part Two: French Regiments No.75 to No.105, and Foreign Regiments - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

French Infantry during the Seven... (2026)

Jean-Louis Vial

Cover for Abhas Verma · Shadows in Paradise Volume 1: Kashmir, Politics and Insurgency, 1965-1989 - Asia@War (Paperback Book) (2026)

Shadows in Paradise Volume 1: Ka... (2026)

Cover for Stephane Thion · The Armies of Ptolemaic Egypt: Cleruchs, mercenaries and machimoi 323-30 BCE - From Alexander to Adrianople 3000 BCE-400 CE (Paperback Book) (2026)

The Armies of Ptolemaic Egypt: C... (2026)

Cover for Soviet General Staff · The Berlin Operation 1945 - Association of the United States Army (AUSA) publications (Hardcover Book) (2026)

The Berlin Operation 1945 - Asso... (2026)

Soviet General Staff

Cover for Modest Ivanovich Bogdanovich · The Russian History of the War of 1813 Volume 2: The War to Liberate Germany - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

The Russian History of the War o... (2026)

Modest Ivanovich Bogdanovich

Cover for Gustavo Maron · Flashes in the Dark Volume 1: USAF Covert Operations and Nuclear Intelligence in Argentina, 1946-1957 - Latin America@War (Paperback Book) (2026)

Flashes in the Dark Volume 1: US... (2026)

Cover for Eduardo Manuel Gil Martinez · The Fall of Moorish Seville 1023-1091: The Creation and Destruction of a Hispanic-Muslim Kingdom in the 11th Century - A Time of Knights 400 CE to 1453 CE (Paperback Book) (2026)

The Fall of Moorish Seville 1023... (2026)

Eduardo Manuel Gil Martinez

Cover for Jacek Zabielski · German Light Divisions 1938-39 Volume 1: Formation, Armament, and Early Campaigns of 1938–39 (Paperback Book) (2026)

German Light Divisions 1938-39 V... (2026)

Jacek Zabielski

Cover for The Joseph Conrad Program in Narrative Processing: Research and Results from Zhytomyr Polytechnic State University (Hardcover Book) (2026)

The Joseph Conrad Program in Nar... (2026)

Cover for Jacek Zabielski · German Light Divisions 1938-39 Volume 2: Polish Campaign 1939, Combat Lessons, Camouflage, Markings & Equipment (Paperback Book) (2026)

German Light Divisions 1938-39 V... (2026)

Jacek Zabielski

Cover for Helio Higuchi · Operation Power Pack Volume 2: The April Revolution and the Inter-American Peacekeeping Force, 1965-1966 - Latin America@War (Paperback Book) (2026)

Operation Power Pack Volume 2: T... (2026)

Cover for Sam Wallace · Lighting the Torch: The Tunisian Campaign and Forging an Allied Way of War 1942-43 (Hardcover Book) (2026)

Lighting the Torch: The Tunisian... (2026)

Cover for Simon Marsh · The Trayne of Artillery 1642-1646: Ordnance and associated capabilities of English armies during the First Civil War - Century of the Soldier 1618-1721 (Paperback Book) (2026)

The Trayne of Artillery 1642-164... (2026)

Cover for British Amphibious Warfare 1739-1815: Success and Failure Across Five Continents - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

British Amphibious Warfare 1739-... (2026)

Cover for John Dong · Sunstruck Giant Volume 2: The Sino-Japanese War of 1894-95 Part 2 - From Musket to Maxim 1815-1914 (Paperback Book) (2026)

Sunstruck Giant Volume 2: The Si... (2026)

Cover for Stijn Mitzer · The Armed Forces of North Korea Volume 3: Korean People's Army Navy - Asia@War (Paperback Book) (2026)

The Armed Forces of North Korea ... (2026)

Cover for Gareth Glover · With Wellington's Cavalry: The Letters & Journals of the Luard & Dalbiac brothers during the Peninsular and Waterloo Campaigns - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

With Wellington's Cavalry: The L... (2026)

Cover for Kevin Wright · Skywatch Volume 1: A History of the Royal Observer Corps. 1925 to 1939 - Europe@War (Paperback Book) (2026)

Skywatch Volume 1: A History of ... (2026)

Cover for Albert Grandolini · Out-Country War Volume 2: Hanoi's Proxies & Soviet Intervention, Laos 1961-1963 - Asia@War (Paperback Book) (2026)

Out-Country War Volume 2: Hanoi'... (2026)

Albert Grandolini

Cover for Harold E. Raugh Jr · The Crucible of Combat: Perspectives on British Military History and Leadership: Volume 1 of the Raugh Military History Trilogy (Hardcover Book) (2026)

The Crucible of Combat: Perspect... (2026)

Harold E. Raugh Jr

Cover for Helio Higuchi · Cuban Military Aviation Volume 2: The Cuban Army Air Force, the fight against Castro's Guerrillas, and the Bay of Pigs, 1952-1961 - Latin America@War (Paperback Book) (2026)

Cuban Military Aviation Volume 2... (2026)

Cover for Claudiu-Ion Neagoe · The Military organization of Moldavia and Wallachia in the Phanariot era, 1709-1821 - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

The Military organization of Mol... (2026)

Claudiu-Ion Neagoe

Cover for Grant R. Newell · Airborne to Arnhem Volume 1: Personal reminiscences of the Battle of Arnhem, Operation Market, 17-26 September 1944 (Paperback Book) (2026)

Airborne to Arnhem Volume 1: Per... (2026)

Grant R. Newell

Cover for Grant R. Newell · Airborne to Arnhem Volume 2: Personal reminiscences of the Battle of Arnhem, Operation Market, 17-26 September 1944 (Paperback Book) (2026)

Airborne to Arnhem Volume 2: Per... (2026)

Grant R. Newell

Cover for Grant R. Newell · Airborne to Arnhem Volume 3: Personal reminiscences of the Battle of Arnhem, Operation Market, 17-26 September 1944 (Paperback Book) (2026)

Airborne to Arnhem Volume 3: Per... (2026)

Grant R. Newell

Cover for Roger Wood · A Great Storm Arising: The British Army and the German March Offensive of 1918 (Hardcover Book) (2026)

A Great Storm Arising: The Briti... (2026)

Cover for Carl Fredrik Sverdrup · Wars of the Three Kingdoms: Cao Cao and Warfare in the Chinese World from 189 CE to 238 CE - From Alexander to Adrianople 3000 BCE-400 CE (Paperback Book) (2026)

Wars of the Three Kingdoms: Cao ... (2026)

Carl Fredrik Sverdrup

Cover for David Nicolle · Air Power and the Arab World 1909-1955 Volume 12: The First Arab-Israeli War 1 September 1948 - 15 March 1949 - Middle East@War (Paperback Book) (2026)

Air Power and the Arab World 190... (2026)

Cover for Massimiliano Afiero · The Italian Army in the Battle of the Alps 1940 (Hardcover Book) (2026)

The Italian Army in the Battle o... (2026)

Massimiliano Afiero

Cover for James O'Neill · The Nine Years War 1593-1603 Part 2: The turning point at Kinsale 1598-1603 - From Retinue to Regiment 1453-1618 (Paperback Book) (2026)

The Nine Years War 1593-1603 Par... (2026)

Cover for Colonel Richard E. "Butch" Sheffield · Ohio to Supersonic: Flying the SR-71 Blackbird to the secret world of the Skunk Works (Hardcover Book) (2026)

Ohio to Supersonic: Flying the S... (2026)

Colonel Richard E. "Butch" Sheff...

Cover for Ritta Nakanishi · Japanese Military Uniforms 1930-1945 - Asia@War (Paperback Book) (2026)

Japanese Military Uniforms 1930-... (2026)

Ritta Nakanishi

Cover for Aaron Stephan Hamilton · Bloody Streets: Armor, Artillery and Assault Groups in the Battle of Berlin (Hardcover Book) (2026)

Bloody Streets: Armor, Artillery... (2026)

Aaron Stephan Hamilton

Cover for C.J. Barnard · General Louis Botha on the Natal Front 1899-1900 - From Musket to Maxim 1815-1914 (Paperback Book) (2026)

General Louis Botha on the Natal... (2026)

Cover for Richard Israel · We then prepared our batteries: The Medieval Castles of the Welsh Marches in the British Civil Wars of 1642-1646 and 1648 - Century of the Soldier 1618-1721 (Paperback Book) (2026)

We then prepared our batteries: ... (2026)

Cover for Giovanni Cerino Badone · You Have to Die in Piedmont!: The Battle of Assietta, 19 July 1747. The War of the Austrian Succession in the Alps - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

You Have to Die in Piedmont!: Th... (2026)

Giovanni Cerino Badone

Cover for Dewald Venter · South African Armoured Vehicles Volume 1: A History of Innovation and Excellence - Africa@War (Paperback Book) (2026)

South African Armoured Vehicles ... (2026)

Cover for Daniel Clarke · Generals in White, Volume 1: Austrian Generals of the French Revolutionary and Napoleonic Wars, 1792-1815 - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

Generals in White, Volume 1: Aus... (2026)

Cover for Illya Sekirin · Rise of the Machines: Drone Warfare in the Russia-Ukraine War – Tactics, Operations, Strategy (Hardcover Book) (2026)

Rise of the Machines: Drone Warf... (2026)

Cover for David C. Bonk · Atlas of the Battles and Campaigns of the American Revolution, 1775-1783 - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

Atlas of the Battles and Campaig... (2026)

Cover for Abhas Verma · Shadows in Paradise Volume 2: Kashmir, Politics and Insurgency, 1989-1996 - Asia@War (Paperback Book) (2026)

Shadows in Paradise Volume 2: Ka... (2026)

Cover for Gustavo Maron · Flashes in the Dark Volume 2: USAF Nuclear Espionage in Argentina, 1960-1966 - Latin America@War (Paperback Book) (2026)

Flashes in the Dark Volume 2: US... (2026)

Cover for Steve Brown · King George's Army: British Regiments and the Men Who Led Them 1793-1815 Volume 5: Royal Artillery; Royal Engineers; Royal Veteran Battalions; Battalions of Reserve; Garrison Battalions; Royal Waggon Train - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

King George's Army: British Regi... (2026)

Cover for Csaba B. Stenge · Baptism of Fire: The First Combat Experiences of the Royal Hungarian Air Force and Slovak Air Force, March 1939 - Europe@War (Paperback Book) [Revised edition] (2026)

Revised edition

Baptism of Fire: The First Comba... (2026)

Csaba B. Stenge

Cover for Alan D. Gaff · Scalp Hunter: Major Robert Rogers and His Rogue Rangers, 1755 - 1760 - From Reason to Revolution 1721-1815 (Hardcover Book) (2026)

Scalp Hunter: Major Robert Roger... (2026)

Cover for Anne Curry · English Military Ordinances 1385-1599: Discipline and Control in English Royal Armies from Richard II to Elizabeth I - A Time of Knights 400 CE to 1453 CE (Hardcover Book) (2026)

English Military Ordinances 1385... (2026)

Cover for Martin Smisek · Czechoslovak Arms Exports to the Middle East Volume 5: Algeria, Libya and Morocco 1948-1989 - Middle East@War (Paperback Book) (2026)

Czechoslovak Arms Exports to the... (2026)

Cover for Jonny Briggs · Tanks in Unexpected Places: The Fighting Effectiveness of 4th (Independent) Armoured Brigade 1943-45 - Wolverhampton Military Studies (Hardcover Book) (2026)

Tanks in Unexpected Places: The ... (2026)

Cover for Mikhail Timin · Air Battles over the Baltic 1941 Volume 4: The Day of Reckoning, Afternoon Battles and Aftermath - Europe@War (Paperback Book) (2026)

Air Battles over the Baltic 1941... (2026)

Cover for Bill Norton · The Seven Fronts War, 2023-2025: Israel, Gaza Strip and Regional Conflagration - Middle East@War (Paperback Book) (2026)

The Seven Fronts War, 2023-2025:... (2026)

Cover for Mikhail Timin · Air Battles over the Baltic 1941 Volume 1: Soviet Military Aviation on the Eve of the Great Patriotic War - Europe@War (Paperback Book) (2026)

Air Battles over the Baltic 1941... (2026)

Cover for G.F.R Henderson · The Science of War: A Collection of essays and lectures, 1891-1903 - From Musket to Maxim 1815-1914 (Paperback Book) (2026)

The Science of War: A Collection... (2026)

G.F.R Henderson

Cover for Mark G. Fry · Armies, Allies and Enemies of The Khmer Empire Volume 1: The Khmer Empire and its Army - A Time of Knights 400 CE to 1453 CE (Paperback Book) (2026)

Armies, Allies and Enemies of Th... (2026)

Cover for Bruno Dotto · Decision in Lombardy: The Battle of Solferino, 24 June 1859 - From Musket to Maxim 1815-1914 (Hardcover Book) (2026)

Decision in Lombardy: The Battle... (2026)

Cover for Mikhail Timin · Air Battles over the Baltic 1941 Volume 2: The Pathway to War - Europe@War (Paperback Book) (2026)

Air Battles over the Baltic 1941... (2026)

Cover for Kevin Wright · Skywatch Volume 2: The History of the Royal Observer Corps, 1939–1945 - Europe@War (Paperback Book) (2026)

Skywatch Volume 2: The History o... (2026)

Cover for David Syrett · The Eyes of the Desert Rats: British Long-Range Reconnaissance Operations in the North African Desert 1940-43 (Paperback Book) (2026)

The Eyes of the Desert Rats: Bri... (2026)

Cover for Gustavo Maron · Flashes in the Dark Volume 3: USAF Nuclear Espionage in Argentina, 1967–1974 - Latin America@War (Paperback Book) (2026)

Flashes in the Dark Volume 3: US... (2026)

Cover for Robert Griffith · So Just and Glorious a Cause: Britain and the Liberation of Portugal-Rolica and Vimeiro, 1808 - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

So Just and Glorious a Cause: Br... (2026)

Robert Griffith

Cover for Vincent Hunt · Soldier of Misfortune: Memoirs of an Army Commando, 1940-1945 (Hardcover Book) (2026)

Soldier of Misfortune: Memoirs o... (2026)

Cover for Mikhail Timin · Air Battles over the Baltic 1941 Volume 3: The Luftwaffe - Opening Gambits - Europe@War (Paperback Book) (2026)

Air Battles over the Baltic 1941... (2026)

Cover for Karl-Heinz Golla · The German Fallschirmtruppe 1936-41: Its Genesis and Employment in the First Campaigns of the Wehrmacht (Paperback Book) (2026)

The German Fallschirmtruppe 1936... (2026)

Karl-Heinz Golla

Cover for Modest Ivanovich Bogdanovich · The Russian History of the War of 1814 Volume 1: Invasion of France - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

The Russian History of the War o... (2026)

Modest Ivanovich Bogdanovich

Cover for Trine Engholm Michelsen · Codename: Grand Duchess: Jutta Graae’s Clandestine Role Across Copenhagen, London and Stockholm in Allied–Danish Resistance 1939–4539–45 (Hardcover Book) (2026)

Codename: Grand Duchess: Jutta G... (2026)

Trine Engholm Michelsen

Cover for Stijn Mitzer · Armed Forces of North Korea Volume 4: Special Operations Force and Missile General Bureau - Asia@War (Paperback Book) (2026)

Armed Forces of North Korea Volu... (2026)

Cover for Alexandros Boufesis · Operations Odyssey Dawn and Unified Protector 2011: NATO and the Air War over Libya, 2011-2020 - Africa@War (Paperback Book) (2026)

Operations Odyssey Dawn and Unif... (2026)

Alexandros Boufesis

Cover for Pere Redon-Trabal · United States Sixth Fleet: The US Naval Presence in the Mediterranean, 1948-2023 - Europe@War (Paperback Book) (2026)

United States Sixth Fleet: The U... (2026)

Pere Redon-Trabal

Vydanie 15. septembra 2026

Cover for Cliff Lord · The Royal Corps of Signals: Unit Histories of the Corps (1920-2001) and its Antecedents (Paperback Book) (2026)

The Royal Corps of Signals: Unit... (2026)

Vydanie 15. septembra 2026

Cover for Andy Smith · An Imperial Brotherhood: Freemasonary and Fraternity in the British Army 1870-1914 - From Musket to Maxim 1815-1914 (Paperback Book) (2026)

An Imperial Brotherhood: Freemas... (2026)

Vydanie 15. septembra 2026

Cover for David A. Wilson · The French Army in the War of the Austrian Succession 1740-1748 Volume 1: General Command and Organisation, Maison du Roi, Uniforms, and Colours - From Reason to Revolution 1721-1815 (Paperback Book) (2026)

The French Army in the War of th... (2026)

David A. Wilson

Vydanie 15. septembra 2026

Cover for Leon Manouchehrians · Iranian Air Power Volume 1: The History of Military Aviation in Iran, 1924-1946 - Middle East@War (Paperback Book) (2026)

Iranian Air Power Volume 1: The ... (2026)

Leon Manouchehrians

Vydanie 15. septembra 2026

Cover for Ole Nikolajsen · The History of Turkish Military Aircraft Volume 1: From Inception to the War of Independence 1912-1923 - Europe@War (Paperback Book) (2026)

The History of Turkish Military ... (2026)

Vydanie 15. septembra 2026

Cover for Mykhailo Zhyrokhov · Armenian-Azerbaijan War Volume 1: War for Nagorno-Karabakh, 1988-2020 - Europe@War (Paperback Book) (2026)

Armenian-Azerbaijan War Volume 1... (2026)

Mykhailo Zhyrokhov

Vydanie 15. septembra 2026

Cover for Romulus Hillsborough · Samurai Swordsmen: The Definitive History of the Shinsengumi amid the Fall of the Tokugawa Shogunate (1863–1869) (Hardcover Book) (2026)

Samurai Swordsmen: The Definitiv... (2026)

Romulus Hillsborough

Vydanie 15. septembra 2026

Cover for Robert N. Watt · A Concise Military History of the Victorio Campaign 1879-1880 - From Musket to Maxim 1815-1914 (Paperback Book) (2026)

A Concise Military History of th... (2026)

Vydanie 15. septembra 2026

Cover for Richard Taylor · Armies of the Successors 323-272 BCE - From Alexander to Adrianople 3000 BCE-400 CE (Paperback Book) (2026)

Armies of the Successors 323-272... (2026)

Vydanie 15. septembra 2026

Cover for Aaron Morris · The Timurid Wars Volume 1: Warfare in Post-Mongolian Central Asia and the Establishment of the Timurid Empire, 1340-1470 - A Time of Knights 400 CE to 1453 CE (Paperback Book) (2026)

The Timurid Wars Volume 1: Warfa... (2026)

Vydanie 15. septembra 2026

Cover for Stephen Turnbull · Monks, Mercenaries and Muskets: The Warriors who Defied the Samurai, 1428-1620 - From Retinue to Regiment 1453-1618 (Paperback Book) (2026)

Monks, Mercenaries and Muskets: ... (2026)

Stephen Turnbull

Vydanie 15. septembra 2026

Cover for Mark Shearwood · The Williamite Invasion of 1688: The Last Successful invasion of England - Century of the Soldier 1618-1721 (Paperback Book) (2026)

The Williamite Invasion of 1688:... (2026)

Vydanie 15. septembra 2026

Cover for Simon Kiwek · War in Ukraine Volume 13: Donbass, Ukraine's Industrial Heartland, 1700-2022 - Europe@War (Paperback Book) (2026)

War in Ukraine Volume 13: Donbas... (2026)

Vydanie 15. septembra 2026

Cover for Javier Garcia de Gabiola · Swords of Saud Volume 2: The Wars for Arabian Unification: Taking Mecca and the Civil War, 1921-1934 - Middle East@War (Paperback Book) (2026)

Swords of Saud Volume 2: The War... (2026)

Javier Garcia de Gabiola

Vydanie 15. septembra 2026

Cover for Lindsay Peacock · Klaxon!: Strategic Air Command Alert During the Cold War - Europe@War (Paperback Book) (2026)

Klaxon!: Strategic Air Command A... (2026)

Lindsay Peacock

Vydanie 30. septembra 2026