[["Martin Luther King Jr's most famous speech is his \"I Have A Dream\" speech, given during the March on Washington for Jobs and Freedom, on August 28,1963.", 688.0], ["Martin Luther King Jr.'s \"I Have A Dream\" speech, ranked the top American speech of the 20th century in a 1999 poll of scholars of public address, was delivered August 28, 1963, from the steps of the Lincoln Memorial in Washington, D.C.", 212.0], ["King gave his most famous speech, \"I have a dream\" on the steps of the Lincoln Memorial at the March on Washington for Jobs and Freedom on August 28, 1963 to a crowd of more than 250,000 people.", 15.0], ["Martin Luther King Jr. gave a lot of speeches. But when you say MLK and speech, only one comes to mind\u2014his famous \"I Have a Dream\" speech, delivered to tens of thousands of people on the steps of the Lincoln Memorial, during the March on Washington for Jobs & Freedom, on August 28, 1963.", 3.0]]
when was martin luther king junior speech
history