These graphics explain why Easter Sunday changes each year based on ancient interpretations of the solar and lunar cycles.

Church leaders push for a common Easter date, as they seek to bridge centuries-old divisions between Eastern and Western ...

Here’s the history of April Fools’ Day and which restaurants are running April Fools' Day price cuts instead of pranks today, ...

People are known to pull pranks on April 1st, but how did April Fools' Day begin and why? Here's all you need to know about ...

Historians believe the day came into existence when France implemented the Gregorian calendar, according to the History Channel. Previously, the French used the Julian calendar when each year ...

April Fools’ Day is most often attributed to France’s switch from the Julian calendar, to the Gregorian calendar in the 1500s, according to The Library of Congress and the History Channel.