October 1st is not a national day in the United States. However, there are several national and international observances celebrated on this day. Some of them are:
- World Sake Day
- National Fire Pup Day
- National Pumpkin Spice Day
- National Green City Day
- International Coffee Day
- National Homemade Cookies Day
- World Vegetarian Day
- Balloons Around the World Day
These observances are celebrated annually on October 1st.