It was a Saturday.
June 20th 1837 was a Tuesday.
June 25, 1964 was a Thursday.
June 20, 1964 was a Saturday.
June 7, 1964, was a Sunday.
June 10, 1964 was on a Wednesday.
June 30th, 1964 was a Tuesday.
December 20th, 1964 fell on a Sunday.
On June 20th of 1968, the day was Thursday :)
June 27, 1964 fell on a Saturday.
June 9, 1964 fell on a Tuesday.
June 18, 1964 fell on a Thursday.
June 11, 1964 fell on a Thursday.