May in Military History
VE Day, the sinking of the Bismarck, and the Battle of Coral Sea, May is packed with defining military milestones.
331 events across 31 days
Featured Events in May

May 8
Victory in Europe Day: Germany Surrenders Unconditionally
1945

May 17
Seven Years' War Begins: Britain Declares War on France
1756

May 18
Battle of Monte Cassino Ends: Allies Break Through the Gustav Line
1944
May 20
Battle of Crete: Germany's Airborne Invasion
Germany launched Operation Mercury, the largest airborne invasion in history, dropping over 15,000 paratroopers and glider troops onto the island of Crete. The operation, though ultimately successful, inflicted such devastating losses on Germany's elite paratrooper force that Hitler never again authorized a large-scale airborne assault.
May 21
Bismarck Sorties into the Atlantic
The German battleship Bismarck and heavy cruiser Prinz Eugen departed from Gotenhafen (Gdynia) on Operation Rheinübung, a commerce raiding mission into the Atlantic that would trigger one of the most dramatic naval pursuits of World War II.
Every Day in May
Operation Neptune Spear: U.S. Navy SEALs Kill Osama bin Laden
10 events · 2011
The Fall of Berlin: Soviet Forces Capture the Nazi Capital
10 events · 1945
British Recapture of Rangoon: The Burma Campaign Ends
10 events · 1945
Kent State Massacre: National Guard Kills Four Student Protesters
10 events · 1970
Battle of Puebla: Cinco de Mayo
10 events · 1862
Fall of Corregidor: America's Last Philippine Stronghold Surrenders
10 events · 1942
Fall of Dien Bien Phu: France's Colonial Empire Crumbles
10 events · 1954
Victory in Europe Day: Germany Surrenders Unconditionally
24 events · 1945
Soviet Victory Day: The Great Patriotic War Ends
10 events · 1945
Fall Gelb: Germany Invades France and the Low Countries
10 events · 1940
Indian Rebellion of 1857: Sepoys Seize Delhi
10 events · 1857
The Bloody Angle at Spotsylvania: Civil War's Most Savage Fighting
10 events · 1864
Churchill's "Blood, Toil, Tears and Sweat" Speech
10 events · 1940
State of Israel Declares Independence: War Begins Immediately
10 events · 1948
Women's Army Auxiliary Corps (WAAC) Created
10 events · 1942
Operation Chastise: The Dambusters Raid
10 events · 1943
Seven Years' War Begins: Britain Declares War on France
11 events · 1756
Battle of Monte Cassino Ends: Allies Break Through the Gustav Line
11 events · 1944
Battle of Rocroi: The End of Spanish Military Supremacy
10 events · 1643
Battle of Crete: Germany's Airborne Invasion
11 events · 1941
Bismarck Sorties into the Atlantic
11 events · 1941
Truman Signs Aid to Greece and Turkey
11 events · 1947
Heinrich Himmler Commits Suicide in British Custody
11 events · 1945
Bismarck Sinks HMS Hood
11 events · 1941
Kennedy Commits Nation to Moon Landing
10 events · 1961
Operation Dynamo: The Dunkirk Evacuation Begins
10 events · 1940
Sinking of the Bismarck
10 events · 1941
Battle of Jumonville Glen
10 events · 1754
The Fall of Constantinople
10 events · 1453
Joan of Arc Burned at the Stake
10 events · 1431
Battle of Jutland: The Clash of the Dreadnoughts
10 events · 1916
Notable Military Figures Born in May
May 1
Mark Wayne Clark
General
One of the youngest four-star generals in U.S. Army history. Commanded the Fifth Army during the Italian Campaign (Salerno, Anzio, Rome) and later all UN forces in Korea, signing the Korean Armistice Agreement in 1953.
1896–1984
May 1
Benjamin Henry Grierson
Brevet Major General
Union cavalry commander famous for Grierson's Raid (1863), a daring 600-mile ride through Confederate Mississippi that distracted Southern forces and helped Grant cross the Mississippi River during the Vicksburg Campaign.
1826–1911
May 2
Manfred von Richthofen
Rittmeister (Captain)
The "Red Baron," World War I's highest-scoring fighter ace with 80 confirmed aerial victories. He commanded Jagdgeschwader 1, the famous "Flying Circus," and was killed in action on April 21, 1918. His name became synonymous with aerial combat excellence.
1892–1918
May 2
Benjamin Spock
Lieutenant Commander (Reserve)
Famous pediatrician who served in the Naval Reserve during WWII. Became one of the most prominent opponents of the Vietnam War and was convicted (later overturned) of conspiracy to encourage draft resistance in 1968.
1903–1998
May 3
Niccolo Machiavelli
Florentine diplomat and military theorist who authored "The Art of War" and "The Prince." His reorganization of the Florentine militia and his writings on strategy and political power have influenced military thinking for five centuries.
1469–1527
May 3
Golda Meir
Prime Minister of Israel during the Yom Kippur War (1973), when Egypt and Syria launched a surprise attack on the holiest day of the Jewish calendar. Her wartime leadership helped Israel survive the initial onslaught and ultimately prevail, though the intelligence failure led to her resignation.
1898–1978
May 4
Hosni Mubarak
Air Chief Marshal
Commanded Egypt's air force during the Yom Kippur War (1973), orchestrating successful air strikes against Israeli positions in the Sinai. Later served as President of Egypt for 30 years until overthrown in the 2011 Arab Spring revolution.
1928–2020
May 4
Josip Broz Tito
Yugoslav partisan leader who commanded WWII's most effective resistance movement, tying down over 30 Axis divisions. Led communist Yugoslavia for 35 years while maintaining independence from Moscow. His death eventually led to Yugoslavia's dissolution and the devastating wars of the 1990s.
1892–1980
May 5
Karl Marx
German philosopher whose writings on class struggle inspired the Russian and Chinese revolutions, dozens of guerrilla wars, and fundamentally shaped the ideological conflicts of the 20th century. His theories on economics and military power influenced both communist and Western strategic thinking throughout the Cold War.
1818–1883
May 5
John Schofield
Lieutenant General
Commanded the Army of the Ohio at the Battle of Franklin (1864) and later served as Commanding General of the U.S. Army. He prophetically warned about the strategic importance of Pearl Harbor decades before the 1941 attack.
1831–1906
What Happened on Your Birthday?
Explore military history from the day you were born.
Browse Other Months
About May in Military History
May has witnessed 331 significant military events spanning from the American Revolution to the modern era. Each day of May carries its own story of battles, innovations, sacrifices, and turning points that shaped the course of military history.
Our day-by-day coverage includes detailed narratives, historical context, images from military archives, and connections to our broader library of military history articles. Whether you're researching a specific date or browsing for fascinating stories, May has no shortage of compelling military history.