In 1677, It was probably before that, as the Swedish had a colony called New Sweden established 1638.
While it is unknown who actually discovered oil in Pennsylvania, Colonel Edwin Drake drilled the first oil well there. The year was 1859 and the oil boom began.
it was discovered by William penn.
William Penn discovered Pennsylvania.
the person who discovered Harrisburg was William penn
At Gettysburg, Pennsylvania :) (A+)
it was discovered by Ben "Franklin when he was playing with his kite in a thunderstorm, IN Philadelphia, Pennsylvania,
anthracite was discovered by Native Americans near Nazareth, Pennsylvania, around 1750
He settle the northern colony of Pennsylvania. One of the original 13 colonies.
William Penn discovered Pennsylvania. The name Pennsylvania means Penn's forest.
Pennsylvania was founded in 1681.
William Phillips discovered supercooling in Pennsylvania
at gettysburg, pennesylvania