First time round (Antietam, Sept '62), they happened to come across a set of Lee's orders which had been dropped in the field. This showed that Lee's divisions were widely separated, and that McClellan could destroy them one by one, if he moved fast enough. (He didn't quite, but still retained the advantage, and won the battle.)
Second time round (Gettysburg, July '63), it was not Union efforts but a half-hearted performance by Lee's deputy, General James Longstreet, and a mistaken tactic by Confederate cavalry, that lost Lee the battle - and the campaign.
Gettysburg
Gettysburg, Pennsylvania.
To penetrate into Pennsylvania, win a big battle on Northern soil, and impress the British, who were treating this campaign as the test of Confederate viability.
Gettysburg.
He was against the attempted invasion of Pennsylvania. He thought the Army of Northern Virginia should be trying to stop Grant liberating the Mississippi.
Hannah Lees died in January 1973, in Philadelphia, Pennsylvania, USA.
Hannah Lees was born on September 4, 1904, in Philadelphia, Pennsylvania, USA.
Martyn Lees has written: 'Proteinase expression in relation to tumour invasion by malignant melanoma'
Many panicked.
The battle of Gettysburg
at gettysburg, pennesylvania
He hoped his invasion would force Washington to sue for peace.
His first attempt at invading the North was stopped at Antietam. The second was stopped at Gettysburg.
Gettysburg
Gettysburg, Pennsylvania.
it was gettysubrg Pennsylvania
A typhoon off shore caused a "divine wind" or Kamikaze which dashed the ships on the rocks and spoiled the invasion.