Lochry's Defeat

Lochry's Defeat, Will Vawter, c. 1895

Date	August 24, 1781
Location	Near present-day Aurora, Indiana
Result	American Indian victory

Belligerents

American Indians

Pennsylvania militia
(United States)

Commanders and leaders

Joseph Brant,
George Girty

Archibald Lochry †

Strength

90–100

100+

Casualties and losses

none

37 killed, 64 captured

External images
Indiana historical marker
The same marker, with view of Laughery Creek

Lochry's Defeat, also known as the Lochry massacre, was a battle fought on August 24, 1781, near present-day Aurora, Indiana, in the United States. The battle was part of the American Revolutionary War (1775–1783), which began as a conflict between Great Britain and the Thirteen Colonies before spreading to the western frontier, where American Indians entered the war as British allies. The battle was short and decisive: about one hundred Indians of local tribes led by Joseph Brant, a Mohawk military leader who was temporarily in the west, ambushed a similar number of Pennsylvania militiamen led by Archibald Lochry. Brant and his men killed or captured all of the Pennsylvanians without suffering any casualties.

Lochry's force was part of an army being raised by George Rogers Clark for a campaign against Detroit, the British regional headquarters. Clark, the preeminent American military leader on the northwestern frontier, worked with Governor Thomas Jefferson of Virginia in planning an expedition to capture Detroit, by which they hoped to bring an end to British support of the Indian war effort. In early August 1781, Clark and about 400 men left Fort Pitt in Pennsylvania by boat, floating down the Ohio River a few days ahead of Lochry and his men, who were trying to catch up.

Joseph Brant's force was part of a combined British and Indian army being raised to counter Clark's offensive. Brant had too few men to challenge Clark, but when he intercepted messengers traveling between Clark and Lochry, he learned about Lochry's smaller group bringing up the rear. When Lochry landed to feed his men and horses, Brant launched his overwhelmingly successful ambush. Because Clark had been able to recruit only a fraction of the men he needed for his campaign, the loss of Lochry's men resulted in the cancellation of Clark's expedition.

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