It was a Saturday.
06.09.1975 is June 9 1975, a Monday, in the US, and is 6 September 1975, a Saturday, in most other countries.
May 6, 1975 fell on a Tuesday.
It was a Thursday.
it was a Thursday
Friday
It Was a Monday
Sunday
6 September 1972 was a Wednesday.
6 September 1958 was a Saturday.
September 6 1950 was on a Wednesday.
September 6, 1970 was a Sunday.
September 6 1952 was a Saturday.