Wikipedia:Selected anniversaries/June 11
June 11: Kamehameha Day in Hawaii; Trinity Sunday in Western Christianity (2006)
- 1770 - Captain James Cook ran aground on the Great Barrier Reef (pictured).
- 1892 - The Salvation Army's Limelight Department, one of the world's earliest film studios, was officially established in Melbourne, Australia.
- 1937 - Marshal Mikhail Tukhachevsky and several senior officers of the Red Army were convicted in the Case of Trotskyist Anti-Soviet Military Organization, a secret trial during the Great Purge in the Soviet Union.
- 1955 - More than 80 people were killed after Pierre Levegh and Lance Macklin collided at the 24 Hours of Le Mans race.
- 1963 - The University of Alabama was desegregated as Governor George Wallace stepped aside after a stand in the schoolhouse door.