Friday, the day of the week
April 16th, 1990 fell on a Monday.
April 16th, 2006 fell on a Sunday.
April 20th, 1920 was a Tuesday.
In the US, that fell on a Friday.
April 16th 1974 was a Tuesday.
April 16, 1984, was a Monday.
April 16th, 2008 was a Wednesday.
Saturday
Sunday
April, 16th, 1966, was a Saturday.
April 16, 1953 fell on a Thursday.
It was a Monday.