Every day of the week has fallen on February 20th. This depends on what year you are referring to.
The 20th of February 1942 was a Friday.
20th February 1958 was a Thursday.
20th of February 1974 was a Wednesday.
20th of February 1974 was a Wednesday.
February 20th, 1944 fell on a Sunday.
February 20th, 1993 fell on a Saturday.
It was a Saturday.
Wednesday
Saturday
20 February 1915 was on a Saturday.
February 20th 2011 is a Sunday.
February 20, 1942 was a Friday.