Why isn’t the date for Easter fixed in the same way as other Christian holidays? Christmas, for example, is always December ...

From schoolkids learning about constant numbers to pizza deals to school serious math equations, here’s a slice of Pi Day fun ...

Celebrating Easter together might seem like a simple expression of union, but it can also breathe new life into efforts ...

International Women's Day​ is commemorated in different ways and to varying degrees in places around the world.

Here is what to know about the March 8 global event: ...

The U.N. began commemorating the holiday in 1975, which was International Women’s Year, and its General Assembly officially ...

Here is what to know about the March 8 global event: ...

Presidents Day is a federal holiday celebrated each ... According to the then-used Julian calendar, Washington was born in Virginia on Feb. 11, 1731. In 1752, however, Britain and all its colonies ...

President's Day is right around the corner ... according to a then-used Julian calendar. But when the colonies shifted to the Gregorian calendar in 1752, Washington's birth was also moved to ...

International Women’s Day is a global celebration — and a ... Russia had not adopted the Gregorian calendar and still used the Julian calendar. “On Feb. 23 in Russia, which was March 8 ...

according to the then-used Julian calendar. In 1752, however, Britain and all its colonies adopted the Gregorian calendar which moved his birthday a year and 11 days to Feb. 22, 1732. Eventually ...