Discovery of musket balls brings alive an American Revolution battle

CONCORD, Massachusetts: Five musket balls dug up last year near the North Bridge site in the Minute Man National Historical Park in Concord have brought into the limelight a battle nearly 250 years ago when hundreds of militiamen lined a hillside in Massachusetts and fired musket balls toward retreating British troops.

It marked the first major battle in the Revolutionary War.

Early analysis of the balls,