- British Black History MonthOctober
- International Dinosaur MonthOctober
- Bullying Prevention MonthOctober
- Diversity Awareness MonthOctober
- National Book MonthOctober
- National Cyber Security MonthOctober
- National Dental Hygiene MonthOctober
- Adopt a Shelter Dog MonthOctober
- National Popcorn MonthOctober
- National Stamp Collecting MonthOctober
- Computer Learning MonthOctober
- Yosemite Park EstablishedOct 1, 1890
- Disney World OpensOct 1, 1971
- China National DayOct 1, 2022
- Mahatma Gandhi’s BirthdayOct 2, 1869
- East and West Germany ReuniteOct 3, 1990
- U.S. Supreme Court Opens – First Monday of OctoberOct 3, 2022
- Sputnik AnniversaryOct 4, 1957
- Mad Hatter DayOct 6, 2022
- Yom KippurOct 5, 2022
- NASA Announces Project MercuryOct 7, 1958
- The Great Chicago Fire BeganOct 8, 1871
- John Lennon’s BirthdayOct 9, 1940
- Fire Prevention WeekOct 9-15, 2022
- Teen Read WeekOct 9-15, 2022
- Columbus DayOct 10, 2022
- Eleanor Roosevelt’s BirthdayOct 11, 1884
- Anniversary of Columbus Arrival in the New WorldOct 12, 1492
- Pledge of Allegiance created to celebrate 400 Years Since Columbus’ ArrivalOct 12, 1892
- World Population Reaches 6 BillionOct 12, 1999
- Winnie-the-Pooh PublishedOct 14, 1926
- Martin Luther King Receives Nobel PrizeOct 14, 1964
- Statue of Liberty Designated a National MonumentOct 15, 1924
- Global Handwashing DayOct 15, 2022
- Noah Webster’s Birthday, Celebrated Annually as Dictionary DayOct 16, 1758
- National Teen Driver Safety WeekOct 16-22, 2022
- Marie Antoinette BeheadedOct 16, 1793
- National Chemistry WeekOct 16-22, 2022
- U.S. Population Reaches 300 MillionOct 17, 2006
- Transfer of Alaska From Russia to U.S., Celebrated as Alaska DayOct 18, 1867
- Edison Invents the Incandescent Light BulbOct 21, 1879
- First Landfall of Hurricane WilmaOct 21, 2005
- Orionids Meteor ShowerOct 21, 2022
- Chemists Celebrate National Mole DayOct 23, 2022
- Red Ribbon WeekOct 23-31, 2022
- Pablo Picasso’s BirthdayOct 25, 1881
- Statue of Liberty DedicatedOct 28, 1886
- Jonas Salk’s BirthdayOct 28, 1914
- Digital Millennium Copyright Act of 1998 Signed Into LawOct 28, 1998
- First Internet TransmissionOct 29, 1969
- John Adams’ BirthdayOct 30, 1735
- Captain Thomas Preston Acquitted in Boston Massacre TrialOct 30, 1770
- Harry Houdini’s DeathOct 31, 1926
- Halloween RecipesOct 31, 2022
- Halloween Writing PromptsOct 31, 2022
- Halloween Pumpkin CarvingOct 31, 2022
- Halloween MathOct 31, 2022
- Halloween FunOct 31, 2022
- Halloween SafetyOct 31, 2022
- National Magic DayOct 31, 2022
- National Metric WeekOct 9-15, 2022
- Cuban Missile CrisisOct 14-28, 1962
