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.

Many public institutions will close for Martin Luther King Jr. Day Monday, while some private businesses will remain open. Here's what to know.

Residents across Michigan are preparing to celebrate and honor Martin Luther King Jr. on Monday, Jan. 20. Several events celebrating the holiday and the civil rights leader’s legacy are scheduled throughout Michigan this month.