Event:
Muslim Brotherhood followers have been asked to leave Qatar; other Arab states are unhappy with Qatar's support of the group, highlighted by recent charges that the nation received state secrets from member and former Egyptian President Mohamed Mursi
More Notable Events on September 13: 1991 55 ton concrete beam falls in Montreal's Olympic Stadium
1989 Desmond Tutu leads biggest anti-apartheid protest march in South Africa
1978 1st flight of McDonnell Douglas F-18A Hornet
1965 Today Show's 1st totally color broadcast
1788 New York City becomes 1st capital of US
