Abernathy, who called his friend, the 26-year-old pastor of Dexter Avenue Baptist Church, who looked “more like a boy than a man”—Martin Luther King Jr. The leaders gathered at King’s church, and the meeting was presided by Reverend L.

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

Martin Luther King Jr. Day is observed in the United States on the third Monday of January. This year coincides with the inauguration of President-elect Donald Trump. Here is what to know about what businesses and services will remain open and which ones will take the day off.