What year was squidwards birthday?

Squidward Tentacles, a character from the animated series "SpongeBob SquarePants," celebrates his birthday on October 9, 1970, according to the show's creators. This date is referenced in the episode "Sleepy Time" when SpongeBob inadvertently discovers Squidward's birthday. However, it's important to note that the show's timeline is fictional, and the character's birthday is part of the show's lore.