The Saratoga Campaign was an attempt by Great Britain

Kingdom of Great Britain

The former Kingdom of Great Britain, sometimes described as the 'United Kingdom of Great Britain', That the Two Kingdoms of Scotland and England, shall upon the 1st May next ensuing the date hereof, and forever after, be United into One Kingdom by the Name of GREAT BRITAIN. was a sovereign...

 to gain military control of the strategically important Hudson River

Hudson River

The Hudson is a river that flows from north to south through eastern New York. The highest official source is at Lake Tear of the Clouds, on the slopes of Mount Marcy in the Adirondack Mountains. The river itself officially begins in Henderson Lake in Newcomb, New York...

 valley in 1777 during the American Revolutionary War

American Revolutionary War

The American Revolutionary War , the American War of Independence, or simply the Revolutionary War, began as a war between the Kingdom of Great Britain and thirteen British colonies in North America, and ended in a global war between several European great powers.The war was the result of the...

. The primary thrust of the campaign was made by an army of 8,000 men under the command of John Burgoyne

John Burgoyne

General John Burgoyne was a British army officer, politician and dramatist. He first saw action during the Seven Years' War when he participated in several battles, mostly notably during the Portugal Campaign of 1762....

 from Quebec

Province of Quebec (1763-1791)

The Province of Quebec was a colony in North America created by Great Britain after the Seven Years' War. Great Britain acquired Canada by the Treaty of Paris when King Louis XV of France and his advisors chose to keep the territory of Guadeloupe for its valuable sugar crops instead of New France...

 that moved up Lake Champlain and down the Hudson to Saratoga, New York

Saratoga, New York

Saratoga is a town in Saratoga County, New York, United States. The population was 5,141 at the 2000 census. It is also the commonly used, but not official, name for the neighboring and much more populous city, Saratoga Springs. The major village in the town of Saratoga is Schuylerville which is...

, where the bulk of the army was forced to surrender after the climactic Battles of Saratoga in September and October.

Burgoyne's effort was unsuccessfully supported by Colonel Barry St. Leger

Barry St. Leger

Barrimore Matthew "Barry" St. Leger was a British colonel who led an invasion force during the American Revolutionary War.Barry St. Leger was baptised on May 1, 1733, in County Kildare, Ireland. He was the son of Sir John St...

's attempt to move on Albany, New York

Albany, New York

Albany is the capital city of the U.S. state of New York, the seat of Albany County, and the central city of New York's Capital District. Roughly north of New York City, Albany sits on the west bank of the Hudson River, about south of its confluence with the Mohawk River...

 through the Mohawk River

Mohawk River

The Mohawk River is a river in the U.S. state of New York. It is the largest tributary of the Hudson River. The Mohawk flows into the Hudson in the Capital District, a few miles north of the city of Albany. The river is named for the Mohawk Nation of the Iroquois Confederacy...

 valley.