It was a Wednesday.
May 20 1965 was on a Thursday.
20 June 1965 was on a Sunday.
Saturday
Wednesday
20 October 1946 was a Sunday.
20 October 1975 was a Monday.
20 October 1983 was a Thursday.
20 October 1994 was a Thursday.
20 October 1962 was a Saturday.
October 20, 1956 was a Saturday.
20 October 1981 was a Tuesday
October 20, 1937 was on a Wednesday.