Wikipedia:Selected anniversaries/May 7
- 1824 - Ludwig van Beethoven's Symphony No. 9 in D minor premiered in Vienna.
- 1915 - World War I: The ocean liner RMS Lusitania was torpedoed and sunk by the German submarine Unterseeboot 20, killing 1,198 on board.
- 1920 - Polish-Soviet War: Polish-Ukrainian troops led by Józef Piłsudski and Edward Rydz-Śmigły carried out the Kiev Offensive to capture Kyiv, Ukraine.
- 1945 - End of World War II in Europe: In Reims, France, General Alfred Jodl signed and submitted the capitulation documents to the Allies on behalf of Reichspräsident Karl Dönitz.
- 1992 - The Space Shuttle Endeavour was launched for its first mission.