Thirteenth April 1959 was a Monday.
9th of April 1959 was a Thursday.
April 10 1959 was a Friday.
15 April 1959 was a Wednesday.
April 14, 1959 was a Tuesday.
April 21st 1959 was a Tuesday.
April 1 1959 was a Wednesday.
April 13th 1959 was a Monday.
April 22, 1959, was a Wednesday.
April 13 1959 fell on a Monday.
The day after April 10th 1959.
April 1, 1959 fell on a Wednesday.
April 25 1959 fell on a Saturday.