13th October 1981 was a Tuesday.
September 13th, 1981 fell on a Sunday.
October 13th, 1975 was a Monday.
13th October 1975 was a Monday.
It was a Friday.
October 13th, 1990 fell on a Saturday.
October 13th, 1985 fell on a Sunday.
October 13th, 1980 fell on a Monday.
October 13th, 1956 fell on a Saturday.
October 13th, 1954 fell on a Wednesday.
Friday
October 13th, 1980 fell on a Monday.
August 13th 1981 was a Thursday.