The Battles of Saratoga were fought September 19 and October 7, 1777 over the same ground by the American Continental Army and the British Army near Saratoga, New York during the American Revolutionary War. The second battle ended with a decisive American victory, and the surrender of the British army there. The outcome greatly affected the course of the war, persuading France to enter the war as an American ally. In both battles, General John Burgoyne commanded the British forces, while General Horatio Gates oversaw the American force. Historian Edmund Morgan described Saratoga as "a great turning point of the war", because it won for Americans the foreign assistance from France, which was the last element needed for victory."
The British Army's campaign in New York was aimed at dividing New England from the middle and southern colonies. Burgoyne led an invasion army of 7,200 to 8,000 men southward from Canada through the Champlain Valley. Hoping to meet British forces marching northward from New York City and eastward from Lake Ontario, Burgoyne's goal was to take Albany, New York. The strategy began promisingly, but stalled due to logistical issues. British General William Howe never moved his forces north, and Brigadier General Barry St. Leger turned back his forces meant to arrive from the west, leaving Burgoyne surrounded by the Americans in upstate New York, 15 miles (24 km) short of his goal. Burgoyne fought two battles, which took place 18 days apart, on the same ground 9 miles (14 km) south of Saratoga, New York. In the first battle, at Freeman's Farm on September 19, Burgoyne won a tactical victory over the Continental Army at the cost of heavy casualties. The battle began with Burgoyne's attempt to flank the entrenched American position on Bemis Heights with some of his troops. American Major General Benedict Arnold anticipated the maneuver and placed significant forces in his way. Still, Burgoyne was able to gain the field. Skirmishes continued in the following days while Burgoyne waited in the hope that reinforcements would arrive from New York City.