31 August 1989 was a Thursday.
August 31st 1997 was a Sunday.
August 31st, 1963 fell on a Saturday.
It was a Monday.
Thursday
August 31st, 1955 was a Wednesday.
August, 31st, 1970, was a Monday,
The given date was a Friday.
August 31 1989 was a Thursday.
August 3rd 1989 was a Thursday.
August 13, 1989 fell on a Sunday.
August 20, 1989 fell on a Sunday.
August 5, 1989 fell on a Saturday.