October 21st falls on different days each year. For the most accurate information, please use the year.
21st October 1966, was a Friday.
21st October 1956 was a Sunday.
October 21st 1947 was a Tuesday.
October 21st, 1991 fell on a Monday.
October 21st, 1998 fell on a Wednesday.
October 21st
October 21st, 2008 in Roman numerals is XXI.X.MMXVIII.
October 21st :) Why?
1966 started on a Saturday, and was not a leap year, so 21st October was a Friday.
It will come out by autumn 2011. 21st 21st october :)
It was a Wednesday.
21st october