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 Alabama and Mississippi, Monday is also Robert E. Lee Day in honor of the Confederate general.

Every year we honor the legacy of Martin Luther King Jr. in January. Here's everything you need to know about the holiday.

The life and legacy of Dr. Martin Luther King Jr. will once again be celebrated and honored Monday in events around the nation.

It took a long political effort to make the King Holiday commemoration a federal law. ATLANTA — The MLK Day holiday is marked annually as a day of service and remembrance of the struggle for justice, equality and the Beloved Community that Dr. Martin Luther King Jr. made his life's work.

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.

During Martin Luther King Jr.'s years of public appearances, he visited S.C. 10 times between 1959 and 1967, favoring the Penn Center in as a special retreat.

Sooner or later all the people of the world will have to discover a way to live together in peace, and thereby transform this pending cosmic elegy into a creative psalm of brotherhood.

Detroiters like Stevie Wonder and John Conyers were instrumental in making Martin Luther King Jr.'s birthday a federal holiday.

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

The last word (maybe) on the long-standing belief that lawmakers overlook the western part of the state — and what can be done to address it.

King’s life and work should serve as a guiding light as Americans demand a higher standard of moral responsibility from our leaders.