October 1st is the 274th day of the Gregorian calendar. Here are some events and holidays that fall on October 1st:

• Congress established Yosemite National Park.
• Stanford University opened in California.
• National Hair Day.
• International Coffee Day.
• International Day of Older Persons.
• International Raccoon Appreciation Day.
• International Music Day.
• World Sake Day.
• National Fire Pup Day.
• National Pumpkin Spice Day.
• National Green City Day.
• National Black Dog Day.
• National Vegetarian Day.

In summary, October 1st is the 274th day of the year and is associated with several events and holidays.