Random Acts of Kindness Day is the name of an unofficial holiday increasingly celebrated around the world by localities or organizations, or nationwide, in order to encourage acts of kindness. The original founder of Random Acts of Kindness Day is unknown.^{[citation needed]}.

The holiday is celebrated annually in the United States on February 17 and in New Zealand on September 1.^[1] In New Zealand, RAK day began at a national level in 2005^[2] by Josh de Jong, Marshall Gray, Megan Singleton and Reuben Gwyn. It is not a holiday, rather a national day where the entire country is challenged to do something kind to a friend or stranger for no reason at all.

Picnic Day is a public holiday in the Northern Territory of Australia which takes place every year on the first Monday of August. It was originally declared a public holiday to enable Darwin's railway workers to go to Adelaide River for a picnic.

Labor Day is a United States federal holiday observed on the first Monday in September (September 3 in 2012) that celebrates the economic and social contributions of workers.

Recent research indicates that, in 1882, Matthew Maguire, a machinist, first proposed the holiday while serving as secretary of the CLU (Central Labor Union) of New York.^[1] Others argue that it was first proposed by Peter J. McGuire of the American Federation of Labor in May 1882,^[2] after witnessing the annual labor festival held in Toronto, Canada.^[3]