- 1429 - Joan of Arc ends the Siege of Orléans, pulling an arrow from her own shoulder and returning wounded to lead the final charge. The victory marks a turning point in the Hundred Years' War.
- 1718 – The city of New Orleans is founded by Jean-Baptiste Le Moyne de Bienville.
- 1832 – The independence of Greece is recognized by the Treaty of London.
- 1864 - American Civil War: The Army of the Potomac, under General Ulysses S. Grant, breaks off from the Battle of the Wilderness and moves southwards.
- 1915 - World War I: a German submarine U-20 sinks the RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turned many formerly pro-Germans in the United States of America against the German Empire.
- 1937 - Spanish Civil War: The German Condor Legion, equipped with Heinkel He 51 biplanes, arrive in Spain to assist Franco's forces.
- 1945 - World War II: General Alfred Jodl signs unconditional surrender terms at Reims, France, ending Germany's participation in the war. The document will take effect the next day.
- 1948 – The Council of Europe is founded during the Hague Congress.
- 2008 - Dmitry Medvedev, inaugrated as President of Russia