Thursday.
August 1, 1957 was a Thursday.
October 29 1957 was a Tuesday.
August 9, 1957 was a Friday.
August 8 1957 was a Thursday.
August 1st 1957 was a Thursday.
August 7, 1957 was a Wednesday.
August 19 1957 was a Monday.
The 27th of August in 1957 was a Tuesday.
31 August 1957 was a Saturday.
August 24, 1957, was a Saturday.
August 28, 1957, was a Wednesday.