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.

Rev. Dr. John Moore of Dover Christian Church in Delaware has memorized more than a dozen of civil rights icon Martin Luther King Jr.'s speeches.

Celebrate Martin Luther King, Jr.'s legacy by participating in any of these 11 events around Louisville for MLK Day.

Stand-up comic Ryan Davis tours all over the country, and this weekend we’ve got him headlining the Comedy Castle. You may have seen him on HBO’s “All Def Comedy,” “Curb Your Enthusiasm” or the show “Insecure.” 7:15 and 9:45 p.m. Fri. and 7 and 9:30 p.m. Sat. $30. 310 S. Troy, Royal Oak. (248) 542-9900. Comedycastle.com.

The holiday is the only federally-designated day of service. People are encouraged to participate in a “day of action” and spend the day doing something charitable to uplift their communities.