October 1 is a day with many holidays and observances. Here are some of the events celebrated on October 1, 2023, according to the search results:

• National Black Dog Day
• National Homemade Cookies Day
• International Music Day
• National Hair Day
• International Coffee Day
• World Vegetarian Day
• World Sake Day
• National Fire Pup Day
• National Pumpkin Spice Day
• National Green City Day

In addition to these, there are many other monthly, weekly, and daily holidays that fall on October 1, such as International Day of Older Persons, International Raccoon Appreciation Day, and National Poetry Day.