Saturday
3 October 1980 was a Friday.
14th October 1980 was a Tuesday.
October 20th 1980 was a Monday.
October 7, 1980 was a Tuesday.
October 31, 1980, was a Friday.
October 19th, 1980 fell on a Sunday.
October 13th, 1980 fell on a Monday.
October 13th, 1980 fell on a Monday.
Wednesday
Saturday
It was a Tuesday.
It was a Friday.