John Armstrong was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 civil engineer

Civil engineer

A civil engineer is a person who practices civil engineering; the application of planning, designing, constructing, maintaining, and operating infrastructures while protecting the public and environmental health, as well as improving existing infrastructures that have been neglected.Originally, a...

 and soldier who served as a major general

Major General

Major general or major-general is a military rank used in many countries. It is derived from the older rank of sergeant major general. A major general is a high-ranking officer, normally subordinate to the rank of lieutenant general and senior to the ranks of brigadier and brigadier general...

 in the 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...

. He was a delegate to the Continental Congress

Continental Congress

The Continental Congress was a convention of delegates called together from the Thirteen Colonies that became the governing body of the United States during the American Revolution....

 for Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

. Armstrong County

Armstrong County, Pennsylvania

Armstrong County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 68,941. It is located northeast of Pittsburgh and Allegheny County. Armstrong County was added to the Pittsburgh Metropolitan Statistical Area in 2003.The county seat is Kittanning...

 in Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

 is named in his honor.
Armstrong was born on October 13, 1717, in Brookeborough

Brookeborough

Brookeborough is a village in County Fermanagh, Northern Ireland. It lies between Enniskillen and Belfast just off the A4 trunk road, about five miles from the County Tyrone boundary....

, County Fermanagh

County Fermanagh

Fermanagh District Council is the only one of the 26 district councils in Northern Ireland that contains all of the county it is named after. The district council also contains a small section of County Tyrone in the Dromore and Kilskeery road areas....

, Northern Ireland

Northern Ireland

Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

, to James Armstrong and Jane Campbell. John was educated in Ireland and became a civil engineer before emigrating to Pennsylvania. Armstrong came to Pennsylvania as a surveyor for the Penn family, who owned the colony.