The United States honors the most prominent figure in its civil rights movement, Dr. Martin Luther King, Jr. on Monday.

The national holiday was hard won by his family and activists in 1983 and has been marked on the third Monday of January ever since.

It’s a day to remember King’s life and legacy. He championed nonviolent resistance in the struggle for civil rights; won a Nobel Peace Prize; led a march from Selma to Montgomery, Ala., to demand Black voting rights; and drew over a quarter-million people to the National Mall in 1963, when he delivered his “I Have a Dream” speech. King, who was also the target of an FBI surveillance and disinformation campaign and was assassinated at age 39 in 1968, is honored in cities across the world, and his accomplishments have been well chronicled. But here are some lesser-known facts about his unique life.

Please select this link to read the complete article from The Washington Post.