20th October 1977 was a Thursday.
March 20, 1977 fell on a Sunday.
Friday
It was a Friday.
20 October 1946 was a Sunday.
20 October 1962 was a Saturday.
20 October 1994 was a Thursday.
October 20, 1956 was a Saturday.
October 20, 1957, was a Sunday.
20 October 1975 was a Monday.
20 October 1983 was a Thursday.
20 October 1981 was a Tuesday
October 20 2010 was a Wednesday.