May 21 is the 141st day of the year (142nd in leap years) in the Gregorian calendar. There are 224 days remaining.
- 2007: TV premiere of The SpongeBob SquarePants Movie on YTV in Canada.
- 2017: "Life Insurance" and "Burst Your Bubble" premiered in Canada.
- May 21 on Wikipedia
Community content is available under CC-BY-SA unless otherwise noted.