Wikipedia:Selected anniversaries/October 8
October 8: Independence Day in Croatia (1991)
- 451 - Council of Chalcedon: Bishops gathered at Chalcedon, a city of Bithynia in Asia Minor, to open the fourth ecumenical council in Christianity.
- 1600 - San Marino, the world's oldest republic still in existence, adopted its written constitution.
- 1871 - Dry conditions caused two catastrophic historic fires in the U.S. Midwest: the Great Chicago Fire and Wisconsin's Peshtigo Fire.
- 1895 - Queen Min of Joseon, the last empress of Korea, was assassinated.
- 1967 - Argentine-born physician, Marxist revolutionary and Cuban guerrilla leader Che Guevara was captured in Bolivia.