Keep On Rocking: Nine Inch Nails' "Down In It" was released as Halo _.?

Questions

What were the words that changed the world from Martin Luther King Jr?

In 1793, George Washington laid the cornerstone for the most important government building in the United States?

The ___________burned the White House during the War of 1812?

When was the the Lewis and Clark Expedition?

Where might you find the Independence Rock?