It was a Friday.
13th October 1981 was a Tuesday.
September 13th, 1981 fell on a Sunday.
November 13th 1959 was a Friday.
November 13th 1970 was a Friday.
November 13th 1970 was a Friday.
13th November 1953 was a Friday.
November 13th, 2001 fell on a Tuesday.
Friday
August 13th 1981 was a Thursday.
Thursday
It was a Saturday.
Tuesday.