Wikipedia:Selected anniversaries/April 9
April 9: Araw ng Kagitingan in the Philippines.
- 1865 – Confederate forces under Robert E. Lee surrendered to Union troops led by Ulysses S. Grant at the Battle of Appomattox Courthouse in Appomattox Court House, Virginia, effectively ending the American Civil War.
- 1917 – World War I: The Canadian Corps began the first wave of attacks at the Battle of Vimy Ridge in Vimy, France.
- 1942 – World War II: Japanese forces defeated Allied troops at the Battle of Bataan on the Bataan Peninsula in the Philippines before beginning to forcibly transfer more than 90,000 prisoners of war to prison camps in the Bataan Death March.
- 1959 – NASA announced the selection of the Mercury Seven (pictured), the first astronauts in Project Mercury.
- 1989 – An anti-Soviet demonstration in Tbilisi, Georgia was quashed by the Soviet army, resulting in 20 deaths and hundreds of injuries.