September 1980

Monday 01:

Chun Doo-hwan becomes president of South Korea after the resignation of Choi Kyu-ha.

Friday 05:

The St. Gotthard Tunnel opens in Switzerland as the world's longest highway tunnel at 10.14 miles (16.32 km) stretching from Goschenen to Airolo.

Friday 12:

Military coup in Turkey

Monday 15:

Paul McCartney releases "Temporary Secretary".

Monday 22:

Iraq invades Iran.

Saturday 27:

Marvin Hagler defeats Alan Minter to claim boxing's world Middleweight championship in London. They have to be escorted away by police after a riot forms.

Tuesday 30:

Ethernet specifications published by Xerox working with Intel and Digital Equipment Corporation.