curprev15:1315:13, 17 October 2022 Lyndon Georgetalkcontribs 32,902 bytes+8 September 11 is a regular calendar date and it can apply to any random years. In case of September 11, 2001, the date was best remembered for the infamous terrorist attacks called September 11 attacks, commonly known as 9/11 so the year should be mentioned.undo