October 9 has several holidays and observances. Some of them are:
- Indigenous Peoples Day: This day honors and celebrates Native American people.
- Leif Erikson Day: This day remembers the explorer credited with bringing the first Nordic people to America.
- International Beer and Pizza Day: This day celebrates the pairing of beer and pizza.
- National Moldy Cheese Day: This day was initiated to raise awareness about the importance of cheese storage and handling.
- World Post Day: This day celebrates the role of the postal service in our daily lives.
- Abolition Day: This day commemorates the abolition of slavery in Brazil.
- Hangul Day: This day celebrates the creation of the Korean alphabet.
It is important to note that some of these holidays are observed annually on October 9, while others are observed on the second Monday of October, which is also known as Columbus Day in the United States.