October 1 is the 274th day of the Gregorian calendar. Here are some of the events, holidays, and observances that fall on October 1:
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Events: In history, Congress established Yosemite National Park, and Stanford University opened in California.
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Holidays and Observances: There are many holidays and observances that fall on October 1, including:
- International Coffee Day
 - National Homemade Cookies Day
 - World Vegetarian Day
 - Balloons Around the World Day
 - CD Player Day
 - Change A Light Day
 - International Day of Older Persons
 - International Raccoon Appreciation Day
 - National Hair Day
 - World Sake Day
 - National Fire Pup Day
 - National Pumpkin Spice Day
 - National Green City Day
 
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Astrological Sign: The astrological sign for October 1 is Libra, which spans from September 23 to October 23.
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Birth Flower: The birth flower for October is the marigold.
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Birthstone: The birthstone for October is the opal.
 
Overall, October 1 is a day with many different holidays and observances, as well as some notable historical events.

