December in Military History
Pearl Harbor, the Battle of the Bulge, and Washington's crossing of the Delaware, December is rich with military drama.
327 events across 31 days
Featured Events in December

December 7
Attack on Pearl Harbor
1941

December 21
Death of General George S. Patton
1945

December 22
McAuliffe's "Nuts!" Reply at Bastogne
1944
December 1
Japan's Imperial Conference Authorizes War
In a solemn gathering at the Imperial Palace in Tokyo, Emperor Hirohito's Imperial Conference, the highest decision-making body in Japan, formally authorized war against the United States, Great Britain, and the Netherlands. The decision, made six days before the attack on Pearl Harbor, represented the point of no return: diplomatic negotiations were abandoned, and the massive military operations already in motion were given final imperial sanction. The Pacific War, which would kill millions and reshape the global order, was now inevitable.
December 2
The Battle of Austerlitz: Napoleon's Masterpiece
Emperor Napoleon Bonaparte achieved his greatest military victory at Austerlitz in modern-day Czech Republic, decisively defeating the combined armies of Russia and Austria. Fighting against numerically superior forces of the Third Coalition, Napoleon deliberately weakened his right flank to lure the Allies into a trap, then shattered their center with a devastating assault on the Pratzen Heights. The battle destroyed the Third Coalition, forced Austria out of the war, and established Napoleon as the dominant military genius of his age.
Every Day in December
Japan's Imperial Conference Authorizes War
10 events · 1941
The Battle of Austerlitz: Napoleon's Masterpiece
10 events · 1805
The First Flag Raised on a Continental Navy Ship
10 events · 1775
Washington's Farewell to His Officers at Fraunces Tavern
10 events · 1783
The Soviet Counteroffensive at Moscow
10 events · 1941
The Halifax Explosion
10 events · 1917
Attack on Pearl Harbor
24 events · 1941
United States Declares War on Japan
10 events · 1941
British Forces Capture Jerusalem from the Ottoman Empire
10 events · 1917
Sinking of HMS Prince of Wales and HMS Repulse
10 events · 1941
Germany and Italy Declare War on the United States
10 events · 1941
USS Cairo Becomes First Ship Sunk by an Electrically Detonated Mine
10 events · 1862
Battle of Fredericksburg, Bloody Assault on Marye's Heights
10 events · 1862
Death of George Washington
10 events · 1799
Battle of Nashville, Union Army Destroys Hood's Confederate Force
10 events · 1864
Battle of the Bulge Begins, Germany's Last Desperate Offensive
10 events · 1944
Wright Brothers Achieve First Powered Flight at Kitty Hawk
10 events · 1903
Operation Linebacker II, The "Christmas Bombings" of Hanoi
10 events · 1972
Continental Army Arrives at Valley Forge
10 events · 1777
Operation Just Cause, U.S. Invades Panama
10 events · 1989
Death of General George S. Patton
12 events · 1945
McAuliffe's "Nuts!" Reply at Bastogne
11 events · 1944
Fall of Wake Island
10 events · 1941
Treaty of Ghent Ends the War of 1812
10 events · 1814
Washington Crosses the Delaware
10 events · 1776
Patton's 4th Armored Division Relieves Bastogne
10 events · 1944
Soviet Invasion of Afghanistan, Operation Storm-333
10 events · 1979
The Dade Massacre, Start of the Second Seminole War
10 events · 1835
The Wounded Knee Massacre
10 events · 1890
Formation of the Soviet Union
10 events · 1922
USS Monitor Sinks off Cape Hatteras
10 events · 1862
Notable Military Figures Born in December
December 1
Georgy Zhukov
Marshal of the Soviet Union
The most decorated general in the history of the Soviet Union and arguably the most important Allied commander of World War II. Zhukov halted the German advance at Moscow in December 1941, won the decisive Battle of Stalingrad, broke the siege of Leningrad, commanded the Belorussian offensive that destroyed Army Group Center, and led the final assault on Berlin. His brutal effectiveness and willingness to absorb staggering casualties made him both feared and respected.
1896–1974
December 1
Louis VI of France
Known as "Louis the Fat," he was a warrior king who spent much of his reign personally leading military campaigns to consolidate royal authority in France. He fought over 30 military engagements during his rule, transforming the weak Capetian monarchy into a genuine military power. His rallying of the French feudal host to repel Emperor Henry V's invasion in 1124 marked the first time the French nation united in its own defense, a precursor to the national armies of later centuries.
1081–1137
December 2
Alexander Haig
General
U.S. Army general who served as Supreme Allied Commander Europe (SACEUR), White House Chief of Staff under Nixon and Ford, and Secretary of State under Reagan. Haig served with distinction in the Korean and Vietnam Wars, earning a Distinguished Service Cross for heroism in Vietnam. He managed the White House during Watergate's final days and famously declared "I am in control here" after the assassination attempt on President Reagan in 1981.
1924–2010
December 2
Georges Saumarez
Admiral
British admiral who commanded the Royal Navy's Baltic Fleet during the Napoleonic Wars, protecting British trade interests and maintaining the naval blockade against Napoleon. Saumarez fought at the Battle of the Nile and commanded at the Battle of Algeciras Bay, where his aggressive tactics against a superior Franco-Spanish fleet demonstrated the daring that made the Royal Navy dominant throughout the Age of Sail.
1757–1836
December 3
Gilbert Stuart
American portrait painter whose iconic images of George Washington, including the unfinished "Athenaeum" portrait used on the one-dollar bill, defined how Americans visualized their first Commander-in-Chief. Stuart painted Washington, John Adams, Thomas Jefferson, James Madison, James Monroe, and John Quincy Adams, six of the first seven presidents, creating the visual record of the nation's founding military and political leaders.
1755–1828
December 3
Ellen Ochoa
Colonel (ret.)
First Hispanic woman in space and former director of NASA's Johnson Space Center. Ochoa flew four Space Shuttle missions between 1993 and 2002, logging nearly 1,000 hours in orbit. As director of JSC from 2013 to 2018, she oversaw astronaut training, mission control operations, and the development of the Orion spacecraft for deep-space missions, leading one of the nation's most important military-adjacent research institutions.
1958–present
December 4
Francisco Franco
Generalísimo
Spanish military officer who led the Nationalist forces to victory in the Spanish Civil War (1936-1939) and ruled Spain as dictator for 36 years. Franco became the youngest general in Europe at age 33, led the Spanish Foreign Legion in Morocco, and launched a military coup against the Spanish Republic with the support of Nazi Germany and Fascist Italy. His regime survived World War II through cautious neutrality and later became a Cold War ally of the United States.
1892–1975
December 4
Rainer Maria Rilke
Austrian poet who served briefly in the Austro-Hungarian army during World War I, an experience that profoundly shaped his literary work. Though he was discharged after just a few months due to his frail constitution, Rilke's wartime writings captured the spiritual devastation of the conflict. His poem "Archaic Torso of Apollo", ending with the imperative "You must change your life", resonated with soldiers seeking meaning in the destruction.
1875–1926
December 5
George Armstrong Custer
Brevet Major General
Flamboyant Union cavalry commander during the Civil War who graduated last in his West Point class but earned fame for his aggressive charges at Gettysburg, Yellow Tavern, and the Shenandoah Valley. Custer was killed along with 268 men of the 7th Cavalry at the Battle of the Little Bighorn on June 25, 1876, in the most famous military defeat in American frontier history. His "Last Stand" became one of the most iconic and debated events in the American military experience.
1839–1876
December 5
Walt Disney
Legendary entertainment pioneer who served in the Red Cross Ambulance Corps in France at the end of World War I, driving ambulances decorated with his own cartoons. During World War II, Disney Studios produced military training films, propaganda animations, and over 1,200 insignia designs for military units, including the famous Flying Tigers shark-mouth logo. His studio's contribution to the war effort earned him recognition from the military establishment.
1901–1966
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About December in Military History
December has witnessed 327 significant military events spanning from the American Revolution to the modern era. Each day of December 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, December has no shortage of compelling military history.