January is the first month of the year. January 1 is the 1st day of the year in the Gregorian calendar. There are 364 days remaining. (365 in leap years)
* New Year's Day
* New and Improved Milk and Quackers Show Season 3 Episode 17 premiered. January 5 is the 5th day of the year in the Gregorian calendar. There are 360 days remaining. (361 in leap years)
* New and Improved Milk and Quackers Show Season 3 Episode 18 premiered.
January is the first month of the year in the Julian and Gregorian calendars and the first month to have the length of 31 days.
* New Year's Day
* 1999: Party of Three! premiered.
* 2005: Nicktoons: Freeze Frame Frenzy was released in Japan.
* 1975: Jason Marsden was born.
* 2004: Fairly Odd Jokes and Timmy Turner's Top-Secret Notebook were released.
* 1965: Butch Hartman was born.
* 2003: Cosmo Con and Wanda's Day Off! premiered.
* 1741: Benedict Arnold was born.
* 1969: Jason Bateman was born.
* 2016: Season 10 premieres with The Big Fairy Share Scare.
* 2006: When Nerds Collide premiered.
* 2000: Scout's Honor premiered.
* 2005: Catman Meets the Crimson Chin and Genie Meanie Minie Mo premiered.
* 2005: Timmy's Top
January is the first month of the year. January 1 is the 1st day of the year in the Gregorian calendar. There are 364 days remaining. (365 in leap years)
* New Year's Day
* New and Improved Milk and Quackers Show Season 3 Episode 17 premiered. January 5 is the 5th day of the year in the Gregorian calendar. There are 360 days remaining. (361 in leap years)
* New and Improved Milk and Quackers Show Season 3 Episode 18 premiered.
January is the first month of the year in the Julian and Gregorian calendars and the first month to have the length of 31 days.
* New Year's Day
* 1999: Party of Three! premiered.
* 2005: Nicktoons: Freeze Frame Frenzy was released in Japan.
* 1975: Jason Marsden was born.
* 2004: Fairly Odd Jokes and Timmy Turner's Top-Secret Notebook were released.
* 1965: Butch Hartman was born.
* 2003: Cosmo Con and Wanda's Day Off! premiered.
* 1741: Benedict Arnold was born.
* 1969: Jason Bateman was born.
* 2016: Season 10 premieres with The Big Fairy Share Scare.
* 2006: When Nerds Collide premiered.
* 2000: Scout's Honor premiered.
* 2005: Catman Meets the Crimson Chin and Genie Meanie Minie Mo premiered.
* 2005: Timmy's Top Wishes was released.
* 2017: Certifiable Super Sitter premiered.
* 2003: The final episode of Season 2, Information Stupor Highway premiered.
* 2005: Timmy's Eggs-Ray Vision was released.
* 1956: Susanne Blakeslee was born.
* 2003: Odd Jobs and Movie Magic premiered.
* 2016: Mayor May Not premiered.