September 1 is the 244th day of the year (245th in leap years) in the Gregorian calendar. There are 121 days remaining.
- 1924: Hal Douglas, the voice over of the first and third trailers for The SpongeBob SquarePants Movie, was born.
- 2000: Naughty Nautical Neighbors and the SpongeBob SquarePants Trivia Book were published.
- 2003: Special Delivery!, The Big Halloween Scare, and SpongeBob Airpants: The Lost Episode were published.
- 2009: My Happy Book: SpongeBob's 10 Happiest Moments was published.
- 2017: "Patrick's Coupon" and "Out of the Picture" premiered in Poland, Turkey and Hungary.
- September 1 on Wikipedia