Texas officially recognized MLK Day in 1991. Today, it remains the only federal holiday designated as a national day of service.

Monday in January a federal holiday in observance of civil rights leader Dr. Martin Luther King, Jr, according to the museum. According to the museum, the legislation to recognize King was first introduced just four days after his assassination on April 4,

The service at Ebenezer Baptist Church in Atlanta was among the most prominent commemorations of Martin Luther King Jr. planned across the country Monday.

Federal and state offices, banks, as well as postal and trash services will be closed or suspended Monday. Here’s what else you should know.