Before June 19 was a national holiday, though, nearly all states recognized ... the Juneteenth flag will show you there are ...

Not matter how you slice it, March 14 has something for everyone. The national holiday has been celebrated for decades now, since the late 1980s, thanks to a San Francisco physicist. Larry Shaw, also ...

Today marks National Pi Day in the United States and around the world. The holiday commemorates a timeless symbol beloved by many in mathematical and scientific communities, while making the most ...

Monday, March 17 is St. Patrick's Day, celebrating all things Irish in the U.S. and around the world. Cities celebrate with parades, bar crawls and more.

according to National Day Calendar. The Pi symbol represents the ratio between the circumference and diameter of a circle. While such calculations have been around for around 4,000 years ...

March 17 (UPI) -- Monday's Google Doodle celebrates Ireland's national holiday, St. Patrick's Day. The artwork on the company's home page features traditional symbols of Irish culture such as a fiddle ...

The symbol of the Polish–Lithuanian Commonwealth was a red ... by secretly cutting it in half. In 2004, a new holiday, Polish National Flag Day, was introduced in Poland. It is celebrated between ...