April 4, 1968 - Is assassinated in Memphis, Tennessee, by James Earl Ray.
1975 - A Senate investigation reveals that the FBI illegally bugged King's hotel rooms and home phone from 1962-1968.
1977 - Is posthumously awarded the Presidential Medal of Freedom, by President Jimmy Carter.
1980 - The Martin Luther King Jr. Historic Site opens in Atlanta. It includes his birthplace, burial crypt, the Eternal Flame and Ebenezer Baptist Church.
1983 - King's birthday is designated a federal holiday, to be observed annually on the third Monday in January.
July 4, 1991 - The National Civil Rights Museum opens at the site of the Lorraine Motel in Memphis, where King was assassinated.
April 23, 1998 - King's assassin, James Earl Ray, dies in prison.
June 9, 2000 - The Justice Department announces the conclusion to an 18-month investigation. They find that there is no reliable evidence to support a conspiracy behind King's murder.
January 30, 2006 - Coretta Scott King dies at the age of 78.
June 23, 2006 - An Atlanta coalition pays $32 million for a collection of King's personal papers, to be stored at Morehouse College.
November 13, 2006 - Groundbreaking ceremony for the Martin Luther King Jr. National Monument in Washington, D.C., it will be the first monument on the National Mall dedicated to an African-American.
April 4, 2008 - To mark the 40th anniversary of King's assassination, events such as forums, lectures, and exhibits take place in Atlanta and Memphis.
August 25, 2011 - The scheduled dedication of the Martin Luther King, Jr. National Memorial in Washington, D.C. on August 28, 2011 is postponed due to Hurricane Irene's expected path toward the U.S. East Coast.
October 16, 2011 - The Martin Luther King, Jr. National Memorial is dedicated. The statue is located between the Lincoln Memorial and the Jefferson Memorial on the National Mall.
2012-2013 - An ongoing controversy over the inscription on the Martin Luther King, Jr. National Memorial which says "I was a drum major for justice, peace and righteousness.", is taken from a 1968 King sermon, "If you want to say I was a drum major, say I was a drum major for justice, say I was a drum major for peace, I was a drum major for righteousness and all the other shallow things will not matter.", at issue is also the cost to repair, change or delete the inscription.