Monday is Martin Luther King Day. Here's what to know about the businesses and services that are closed for the holiday in Arizona.

Martin Luther King Jr. Day and Inauguration Day both fall on Jan. 20. Here's what's open and closed on the federal holiday.

Arizona was one of the last states to recognize Martin Luther King Jr. Day as a holiday and the only state that required a public vote to do so.

MLK Day is a federal holiday, meaning most federal entities close to commemorate the contributions of Martin Luther King Jr.

Martin Luther King Jr. Day is always celebrated on the third Monday in January. It also happens to be Inauguration Day, which is always held on January 20th per the U.S. Constitution. The two typically don’t coincide,