Don't one of you fire until you see the whites of their eyes.
The first battle of the revolutionary war took place in Lexington Green, on April 19, 1775. This was the first battle and the Americans won. With Captain John Parker as their Leader, General Gage had no chance.
Don't fire unless fired upon, but if they mean to have a war let it begin here.
This battle took place on June, 1775. Even if the Americans lost to the British leader William Howe, William Prescott knew that in a way they won because the British had a greater loss of their soilders.