March 13, 1956 was a Tuesday
Going backwards, every year is one day earlier, except when there is a leap year (every four years), it skips one extra day on the year before the leap year.
2011 Sunday
2010 Sa
2009 F
2008 Th
2007 Tu
2006 M
2005 Su
2004 Sa
2003 Th
2002 W
2001 Tu
2000 M
1999 Sat
1998 F
1997 Th
1996 W
1995 M
1994 Su
1993 Sa
1992 F
1991 W
1990 T
1989 M
1988 Su
1987 F
1986 Th
1985 W
1984 Tu
1983 Su
1982 Sa
1981 F
1980 Th
1979 Tu
1978 M
1977 Su
1976 Sa
1975 Th
1974 W
1973 Tu
1972 M
1971 Sa
1970 F
1969 Th
1968 W
1967 M
1966 Su
1965 Sa
1964 F
1963 W
1962 Tu
1961 M
1960 Su
1959 F
1958 Th
1957 W
1956 Tuesday
October 13th, 1956 fell on a Saturday.
March 13th 1959 was a Friday.
13th March 1957 was a Wednesday.
June 13th 1956 was a Wednesday.
November 13th 1956 was a Tuesday.
March 13th, 1903 fell on a Friday.
That fell on a Monday.
It was a Saturday.
September 13, 1956 fell on a Thursday.
23 March 1956 was a Friday.
21st March 1956 was a Wednesday.
March 23, 1956 was on a Friday.