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Nathan Hale was a captain in the 19th Regiment of the Continental Army. Hale volunteered to work as a spy for General George Washington. He was captured by the British and sentenced to death by General William Howe.

Henry Wager Halleck was a prominent Union general during the American Civil War. Following a brief but successful stint commanding Union operations in the Western Theater during the early part of the war, President Abraham Lincoln named Halleck General-in-Chief of all U. S. armies in 1862.

Key facts about General-in-Chief and Chief-of-Staff of the U.S. Army Henry W. Halleck.

Alexander Hamilton was a Founding Father of our nation and the first Secretary of the Treasury. He led calls for the Philadelphia Convention and co-authored the Federalist Papers.

Alexander Hamilton's speech to the New York Convention delivered on June 24, 1788.

Facts about the Battle of Hampton Roads, including dates, casualties, participants, who won, and more interesting details you might not know. This fact sheet provides a quick overview of the battle and is for kids doing research and students preparing for the AP U.S. History (APUSH) exam.

The Battle of Hampton Roads was a key battle of the Peninsula Campaign. It took place on March 8–9, 1862, and ended in a draw. It was the first naval battle of ironclad ships and the most notable naval battle of the Civil War.

A prominent Confederate cavalry officer, Wade Hampton III also served as governor of South Carolina and as a United States Senator from the Palmetto State after the American Civil War.

Key facts about Wade Hampton, a prominent Confederate cavalry officer who also served as governor of South Carolina and as a United States Senator from the Palmetto State after the American Civil War.

John Hancock was a Founder and the first to sign the Declaration of Independence.

Winfield Scott Hancock (1824–1886) was one of the more successful Union commanders during the American Civil War and is most well-known for the role he played in the Battle of Gettysburg. In 1880, he also was the Democratic Party's candidate for President of the United States of America against Republican James Garfield.

Key facts about General Winfield Scott Hancock, one of the more successful Union commanders during the American Civil War who was also was the Democratic Party's candidate for U. S. President in 1880.

The Battle of Hanover, which took place on June 29, 1863, delayed the arrival of General J.E.B. Stuart's cavalry at the Battle of Gettysburg until mid-afternoon of the second day of the pivotal conflict.

The Battle of Hanover, which took place on June 29, 1863, delayed the arrival of General J.E.B. Stuart's cavalry at the Battle of Gettysburg until mid-afternoon of the second day of the pivotal conflict.

William J. Hardee was a prominent Confederate corps commander in the Western Theater of the American Civil War, who briefly commanded the Army of Central Kentucky and the Army of Tennessee on two occasions.

Key facts about William J. Hardee, a prominent Confederate corps commander in the Western Theater of the American Civil War who briefly commanded the Army of Tennessee on two occasions.

On September 28, 1864, William J. Hardee bid farewell to the soldiers of Hardee's Corps, Army of Tennessee.

Co-author of the Price-Harney Agreement, Brigadier-General William S. Harney was a forty-five-year veteran of the United States Army, who participated in the Seminole Wars, the Black Hawk War, the Mexican-American War, the Mormon Expedition, and the American Civil War.

Key facts about William S. Harney, co-author of the Price-Harney Agreement who was also a Union brigadier general during the American Civil War.