28th August 1963: Martin Luther King Jr. delivers his ‘I Have a Dream’ speech from the steps of the Lincoln Memorial in Washington D.C.

Taking place on the centenary of President Lincoln signing the Emancipation Proclamation, in which he declared the freedom of slaves, ‘I Have a Dream’ was the sixteenth of eighteen speeches given by different orators that day and is regularly described as one of the best speeches of the 20th Century.