• The Confederate Army of Northern Virginia had nearly 73,000 men in the field; The Union Army of the Potomac had 91,000 men, though many didn’t arrive until the second and third days of the battle, which started July 1, 1863.

• The Union force at Gettysburg was larger in population than the 10th largest city in America (Buffalo, at 81,129) and larger than the population of every city in the South except New Orleans (sixth in the nation, at 168,675).

• By the end of the first day, 16,000 of these soldiers had been killed, wounded or captured.

• Total battle casualties: More than 11,000 were killed and more than 40,000 were wounded or missing, a total about 20 times the population of Gettysburg at the time.

• Pennsylvania had the largest contingent of soldiers, 23,412, followed by New York, with 23,056.

• President Abraham Lincoln gave Gen. George G. Meade command of the Army of the Potomac on June 28, 1863, three days before the start of the battle.

• Army of Northern Virginia Gen. Robert E. Lee lost 23 battle flags here, more than in the previous 14 months combined.

• More than one-third of the known photographs of dead soldiers on Civil War battlefields are from Gettysburg.

Sources: Gettysburg National Military Park Museum, Buffalo Civil War Roundtable

Other Western New York Civil War figures

Brig. Gen. Daniel D. Bidwell (1819-1864)

Born in Black Rock into a shipbuilding family, he helped organize Buffalo’s first police force. Commissioned as a colonel Oct. 21, 1861, he commanded the 49th N.Y. Infantry regiment, which marched 30 miles in July 1863 to help protect the far right flank of the Union force at Gettysburg. He was named a brigadier general shortly before he died Oct. 19, 1864, in the Battle of Cedar Creek, Va.

Brig. Gen. Edward P. Chapin (1831-1863)

A Waterloo native who was a Buffalo lawyer and a member of the city’s semi-pro baseball club, the Niagaras. Chosen as leader in fall 1862 of the 116th N.Y. Infantry regiment, he tapped two baseball teammates as fellow officers. He was killed five weeks before Gettysburg in Port Hudson, La.

Father Nelson Baker (1841-1936)

The man many pray will soon be named a saint for his work with the downtrodden in Buffalo was a private in the 74th N.Y. Infantry regiment before he became a priest. Baker did not serve at Gettysburg, but his unit helped quell the New York City draft riots in the weeks after the battle.

Ely Parker (1828-1895)

This Seneca Indian was the secretary for Union Commander Ulysses S. Grant and is believed to have penned the surrender terms to end the war at Appomattox. He and Bidwell are buried in Forest Lawn.