Emancipation Day is a holiday observed in the United States on April 16, which commemorates the day in 1862 when Presi...

Emancipation Day is a holiday in the United States that commemorates the emancipation of slaves in the country. The h...

Patriot's Day is a federal holiday in the United States that commemorates the anniversary of the Battles of Lexington ...

San Jacinto Day is a state holiday in Texas, United States, commemorating the Battle of San Jacinto. It is observed on...

Oklahoma Day is observed in the United States on April 22. It commemorates the day in 1889 when the Oklahoma Territory...

Confederate Memorial Day is a holiday observed in some southern states in the United States to remember the soldiers w...

Arbor Day is a holiday in the United States that is celebrated on the last Friday in April. This day is set aside to e...

Lei Day is a Hawaiian holiday that celebrates the Hawaiian culture and the giving of leis. The holiday is celebrated o...

In 1970, four students at Kent State University in Ohio were killed by National Guard troops during a protest against ...