"Five score years ago, a great American, in whose symbolic shadow we stand signed the Emancipation Proclamation. Thismomentous decree came as a great beacon light of hope to millions of Negro slaves who had been seared in the flames ofwithering injustice. It came as a joyous daybreak to end the long night of captivity."Martin Luther King, Jr. Lincoln Memorial, Washington, D. C.August 28, 1963This speech was given to

Civil rights supporters

Explanation:

This is the beginning of the "I Have a Dream" speech of Martin Luther King Jr. He delivered this speech to the civil rights supporters that were participating in the March on Washington in 1963. The speech is one of the most famous speeches of all times, and it focuses on the importance of the March and the participants to the future of the civil rights movement.

imperial crisis leads to civil war.

roman forces withdraw from britain as goths attack rome.

odoacer topples romulus augustus

huns attack the empire and drive german peoples ahead of them.