Congress changed the day income taxes are due from March 15 to April 15 in 1955.
April 15th 2010 was a Thursday.
15th April 1985 was a Monday.
15th of April 1912 was a Monday.
April 15th, 1913 was a Thursday.
April 15th, 1947 fell on a Tuesday.
April 15th, 2001 fell on a Sunday.
It was a Wednesday.
April 1st was a Friday in 1955.
It was a Tuesday.
December 15th, 1955 was a Thursday.
April 9th 1955 was a Saturday.