Thursday
13th June 1932 was a Monday.
13th June 1977 was a Monday.
June 13th 1969 was a Friday.
June, 13th, 1974, was a Thursday.
June 13th, 1936 fell on a Saturday.
13th June 1955 was a Monday.
June 13th, 1980 fell on a Friday.
June 13th 1958 fell on a Friday
June 13th, 1966 fell on a Monday. The following year, June 13th fell on a Tuesday.
Wednesday.
It was a Wednesday.