Friday
July 13th, 1978 fell on a Thursday.
13th October 1981 was a Tuesday.
13th October 1975 was a Monday.
October 13th, 1975 was a Monday.
Monday
Wednesday.
October 13th, 1985 fell on a Sunday.
October 13th, 1980 fell on a Monday.
October 13th, 1956 fell on a Saturday.
October 13th, 1990 fell on a Saturday.
October 13th, 1954 fell on a Wednesday.
October 13th, 1980 fell on a Monday.