Going from the start of the 20th century, the 20th of March was on a Friday in 1903, 1908, 1914, 1925, 1931, 1936, 1942, 1953, 1959, 1964, 1970, 1981, 1987, 1992, 1998 and 2009. It will also be on a Friday in 2015.
Between 1970 and 1977, June 20 fell on a Friday in 1975.
2018, 2029, 2035, 2040, etc.
in 2001, in 2007 and in 2012
March 20 1959 was a Friday.
March 20 1964 was a Friday.
March 20 2009 was a Friday.
As of 2011, the last time Good Friday fell on April 20 was in 1957. (Bobo192) Bobo192's answer is incorrect. Good Friday in 1957 was not on April 20. It was actually on April 19. Since 1901, Good Friday has fallen on the 20th of April in the years 1962, 1973 and 1984. So with that said, 1984 was the last year Good Friday was on the 20th. The next time it will fall on April 20 will be in 2057 and then again in 2068. As an FYI, Easter Sunday is set to fall on April 20 in 2014 (and again in 2025).
August 20th fell on a Friday most recently in 2010 and we are currently in a dip where this particular day won't show up on a Friday for the next nine years (we're currently in 2012) so this date won't fall on Friday until 2021 - seems a long time. However, after 2021, there will only be six years before August 20 falls on Friday again and after 2017 there will be literally only five years until it occurs again in 2032, then six years after that it occurs again and then it is the eleven-year gap.
It was a Friday.
Friday
A Friday.
March 20, 1970 fell on a Friday.