- 1941 11 Mar US congress passes the Lend-Lease Bill, authorising huge war loans to Britain and the Soviet Union.
- 1985 11 Mar Reformer Mikhail Gorbachev is confirmed as the Soviet Union's new - and ultimately final - leader.
- 2004 11 Mar In Madrid, ten bombs planted on rush-hour trains by Islamic extremists kill 191 people and injure 1,800.

