June in Military History
D-Day, the Battle of Midway, and the start of the Korean War make June one of the most significant months in military history.
338 events across 30 days
Featured Events in June

June 6
D-Day: The Allied Invasion of Normandy
1944

June 4
Battle of Midway: The Turning Point in the Pacific
1942

June 1
The Glorious First of June
1794
June 2
Grant Prepares for the Assault at Cold Harbor
Lieutenant General Ulysses S. Grant positioned his forces for a massive frontal assault on entrenched Confederate positions at Cold Harbor, Virginia, an attack that would become one of the bloodiest and most controversial decisions of the Civil War when launched on June 3.
June 3
The Assault at Cold Harbor
Union forces launched a massive frontal assault against entrenched Confederate positions at Cold Harbor, Virginia, suffering approximately 7,000 casualties in less than an hour in one of the most lopsided and tragic battles of the Civil War.
Every Day in June
The Glorious First of June
11 events · 1794
Grant Prepares for the Assault at Cold Harbor
11 events · 1864
The Assault at Cold Harbor
11 events · 1864
Battle of Midway: The Turning Point in the Pacific
24 events · 1942
The Six-Day War Begins
11 events · 1967
D-Day: The Allied Invasion of Normandy
25 events · 1944
Battle of Midway Concludes: Yorktown Sinks
11 events · 1942
Israeli Forces Attack USS Liberty
11 events · 1967
Battle of Normandy: Allies Secure the Beachhead
11 events · 1944
Massacre at Oradour-sur-Glane
11 events · 1944
Kamikaze Campaign Intensifies off Okinawa
11 events · 1945
Surrender of Pantelleria: First Territory Taken by Air Power Alone
10 events · 1943
First V-1 Flying Bomb Strikes England
10 events · 1944
The United States Army Is Born
10 events · 1775
First B-29 Raid on the Japanese Home Islands
10 events · 1944
Battle of Ligny
10 events · 1815
Battle of Bunker Hill
10 events · 1775
Battle of Waterloo
10 events · 1815
Battle of the Philippine Sea
10 events · 1944
Mitscher's "Turn on the Lights"
10 events · 1944
Fall of Tobruk
10 events · 1942
Operation Barbarossa
10 events · 1941
Operation Bagration Begins
10 events · 1944
Berlin Blockade Begins
10 events · 1948
North Korea Invades South Korea
10 events · 1950
Berlin Airlift Begins
10 events · 1948
Battle of Kennesaw Mountain
10 events · 1864
Assassination of Archduke Franz Ferdinand
10 events · 1914
Federal-Aid Highway Act Signed
10 events · 1956
Night of the Long Knives
10 events · 1934
Notable Military Figures Born in June
June 1
John Masterman
British intelligence officer who chaired the Twenty Committee (XX Committee) that ran the Double Cross system, turning every German spy in Britain into a double agent during WWII.
1891–present
June 1
William Gruber
German-born American inventor and Army veteran who created the View-Master, which was adopted by the US military for training aids during WWII.
1903–present
June 2
Marquis de Sade
French nobleman and cavalry officer who served in the Seven Years' War before becoming the controversial writer whose name gave rise to the term "sadism."
1740–present
June 2
Karl Adolf Eichmann
British-born Australian war correspondent and Army veteran of the Boer War who covered multiple 20th-century conflicts.
1906–present
June 3
Jefferson Davis
President of the Confederate States of America, West Point graduate, Mexican War hero, and former US Secretary of War who led the South through the Civil War.
1808–present
June 3
James Hutton
Scottish geologist whose understanding of earth sciences influenced military terrain analysis and fortification engineering for centuries.
1726–present
June 4
King George III
Sovereign and Commander-in-Chief
King of Great Britain and Ireland, born June 4, 1738, during whose reign the American colonies declared independence and fought the Revolutionary War. George III's stubborn insistence on subjugating the colonies prolonged the war and shaped British military policy, while his later reign saw Britain's triumph over Napoleon. His birthday was celebrated as a military holiday throughout the British Empire.
1738–1820
June 4
Carl Gustaf Emil Mannerheim
Field Marshal
Finnish military leader and statesman, born June 4, 1867, who commanded Finland's defense against the Soviet Union in the Winter War of 1939-40 and the Continuation War of 1941-44. Mannerheim's leadership during the Winter War, in which outnumbered Finnish forces inflicted staggering casualties on the Red Army, became one of the most celebrated defensive campaigns of the 20th century. He served as President of Finland from 1944 to 1946.
1867–1951
June 5
Orlando Ward
US Army major general who commanded the 1st Armored Division in North Africa during World War II and later served as Chief of Military History.
1891–present
June 5
William Boyd
American actor who served in World War I and became famous as Hopalong Cassidy, whose westerns entertained millions of servicemen during WWII.
1895–present
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About June in Military History
June has witnessed 338 significant military events spanning from the American Revolution to the modern era. Each day of June 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, June has no shortage of compelling military history.