1980 was a leap year that started on a Tuesday, so March 4th was a Tuesday.
14 March 1980 was a Friday.
1 March 1980 was a Saturday.
13 March 1980 was a Thursday.
March 18, 1980 fell on a Tuesday.
March 31st 1980 was a Monday.
March 4th 1967 was a Saturday.
Saturday
It was a Saturday.
It was Wednesday.
It was a Monday.
Saturday
Friday.