The first Father's Day was celebrated in 1910, but it took more than six decades for the day to become official. The holiday piggybacked off Mother's Day, which became a commercial holiday in 1908.

The first Father's Day was celebrated in 1910, but it took more than six decades for the day to become official. The holiday piggybacked off Mother's Day, which became a commercial holiday in 1908.

Approximately 29 states and Washington, D.C. do not celebrate Columbus Day. About 216 cities have renamed it or replaced it with Indigenous Peoples Day, according to renamecolumbusday.org.

How do we celebrate Valentine's Day in the U.S. now? Valentine's Day has become a major commercial holiday in the U.S. and the love, or spending rather, keeps on growing.

Flag Day is celebrated on June 14 each year, commemorating the adoption of the U.S. flag's design in 1777. While not a federal holiday, Flag Day 2025 falls on a Saturday.

Why do we have leap years, and what are we supposed to do — or not do — with our rare extra day? NPR's Morning Edition spoke with experts in astronomy, history and economics to find out.