It was first proposed four days after King's 1968 assassination outside a Memphis motel. It took 15 years until it became a federal holiday.

Though the holiday is young, this will only be the 25th year that all 50 states recognize it together. Here's what's open and closed on Martin Luther King Jr. Day.

For residents affected by recent wildfires, L.A. Sanitation and Environment maintains its 24-hour customer service line throughout the holiday. Public transportation keeps rolling, with Metro and Metrolink sticking to their standard schedules.

“With malice toward none, with charity for all, with firmness in the right, as God gives us to see the right, let us strive on to finish the work we are in, to bind up the nation’s wounds.” -- Abraham Lincoln, March 4, 1865.

The U.S. is set to mark Martin Luther King Jr. Day, the federal holiday set aside to honor the life of the civil rights icon. But in two states, Monday is also Robert E. Lee Day in honor of the Confederate general.

This year's MLK Day also falls on Inauguration Day for President-elect Donald Trump, marking only the second time in 28 years that these federal observances align. The last time the two dates overlapped was during President Bill Clinton's second inauguration in January 1997, which also included both inauguration events and MLK Day commemorations.

Dr. Martin Luther King Jr. Day is tomorrow, and Kansas City is hosting a plethora of events in honor of the holiday.

This year will mark the 35th annual Martin Luther King Jr. holiday breakfast in Minneapolis. This year's breakfast will be held at the Minneapolis Convention center and feature a speech by NPR journalist Michele Norris and musical performances. Tickets are required.

Across the country and across Middle Tennessee, some places will not be open Monday, which is Martin Luther King Jr. Day and Inauguration Day.

Ahead of Martin Luther King Jr. Day, the Alpha Phi Alpha Fraternity, the Alpha Kappa Alpha Sorority and the NWA MLK Council hosted an annual MLK memorial celebration at the St. James Missionary Baptist Church in Fayetteville.

: The City of Pensacola has canceled its Martin Luther King Jr. Day parade due to winter weather. The city stated in a news release that it, “made the difficult decision to cancel the annual Martin Luther King,