15 September 1821 was a Saturday.
Declared: September 15, 1810Recognized: September 27, 1821
September 15, 1821 (from Mexico).
Yes, on September 15, 1821.
15 September 1951 was a Saturday.
September 15 1983 was a Thursday.
September 15 1986 was a Monday.
September 15 1997 was on a Monday.
September 15, 2008 was a Monday.
September 15, 2002 was a Sunday.
September 15, 2000 was on a Friday.
15 September 1996 was a Sunday.
15 September 1959 was a Tuesday.