October 1 is not a widely recognized holiday or occasion. However, there are several holidays and observances that fall on this day, including:
- National Homemade Cookies Day
- World Vegetarian Day
- International Coffee Day
- Balloons Around the World Day
- Change A Light Day
- Chinese National Day
- Cyprus Independence Day
- Filipino American History Month
- International Day of Older Persons
- International Music Day
- International Raccoon Appreciation Day
- National Hair Day
- National Pickle Day (First Sunday in October)
- National Walk Your Dog Day
- Pudding Season Begins
- Vegan Baking Day
- Willy Wonka Day
In addition, October 1 is the 274th day of the year in the Gregorian calendar, with 91 days remaining until the end of the year. Some notable events that have occurred on this day in history include the opening of Stanford University in California, the establishment of high-speed bullet train service connecting Tokyo to Osaka, and the sentencing of twelve high-ranking Nazis to death by the International War Crimes Tribunal in Nuremberg.