Martin Luther King Jr., a reverend and civil-rights activist, was assassinated at 39. However, he inspired several movements and political changes.

On Nov. 2, 1983, then President Ronald Reagan signed the bill named the “King Holiday Bill” that forevermore set the third Monday in January as a federal holiday in order to remember and observe the civil rights leader, Dr. Martin Luther King Jr.

Here's what to know about whether government offices will be open or closed on Martin Luther King Jr., Day this year.

The holiday falls on the third Monday of January. A bill to make Martin Luther King Jr. Day a federal holiday was introduced on April 8, 1968 — four days after King was assassinated, according to the National Museum of African American History and Culture.

1966: The Rev. Martin Luther King Jr. told reporters in Chicago that he was working on a three-phase plan to mobilize the city’s roughly 1 million Blacks. King selected a “typical ghetto apartment on the West Side” at 1550 S. Hamlin Ave. to serve as his base for the following year.

The organizations and museums celebrating MLK Day through concerts, exhibits, and volunteer opportunities in Philadelphia.

Government offices are closed for the holiday, while several museums offer free entry and special programming to honor the civil rights leader.

Between 1957 and his assassination on April 4, 1968, at age 39, Martin Luther King Jr. gave 2,500 speeches, wrote sermons and homilies and published five books. Meanwhile, the number of books written about King surely number in the thousands.

Westport Country Playhouse, the Bruce Museum, the Ferguson Library, UConn's Stamford campus and Wadsworth Atheneum Museum of Art are hosting events.

Key Takeaways U.S. stock and bond trading will pause on Monday in honor of Martin Luther King Jr. Day, which this year coincides with a presidential inauguration.CME Group will pause trading in U.S. markets,