October 11 is celebrated as several national and international days. Some of the notable ones are:

• International Day of the Girl Child: This day seeks to bring awareness and solutions to the unique challenges that girls around the world face every day.

• National Sausage Pizza Day: This day celebrates the popular pizza topping of sausage.

• National Emergency Nurses Day: This day recognizes the dedication and hard work of emergency nurses.

• National Curves Day: This day celebrates the beauty of curves and encourages body positivity.

• National Stop Bullying Day: This day raises awareness about the harmful effects of bullying and encourages people to take action against it.

• General Pulaski Memorial Day: This day honors General Casimir Pulaski, a Polish nobleman who fought and died for American independence.

• National Coming Out Day: This day encourages civil awareness recognizing and supporting those in the LGBTQ community.

• National Take Your Parents to Lunch Day: This day encourages people to take their parents out for lunch and spend quality time with them.

It is important to note that these are not official holidays recognized by the government, but rather observances created by organizations or individuals to raise awareness about important issues or celebrate certain aspects of life.