Question: In what year span was the war that had its first battle in Fayette County, Pennsylvania, United States?

Context articles: Fayette County School System (Georgia)
Fort Necessity National Battlefield
Bear Rocks, Pennsylvania
Manara, Ohio
Acme, Pennsylvania
Pittsburg, Fayette County, Illinois
Buena Vista, Fayette County, Ohio
Fairhope, Fayette County, Pennsylvania
Oran, Iowa
French and Indian War

Fayette County School System is a public school district based in Fayetteville, Georgia, United States and covering residents of Fayette County.
 The county is included in the Atlanta-Sandy Springs-Roswell Metropolitan Statistical Area.
 The school system serves all of Fayette County.
Fort Necessity National Battlefield is a National Battlefield Site in Fayette County, Pennsylvania, United States, which preserves the site of the Battle of Fort Necessity.
 The battle, which took place on July 3, 1754, was an early battle of the French and Indian War, and resulted in the surrender of British colonial forces under Colonel George Washington, to the French and Indians, under Louis Coulon de Villiers.
Bear Rocks is an unincorporated community and census-designated place in Bullskin Township, Fayette County, Pennsylvania, United States.
 Its is located along the south side of Pennsylvania Route 31 in northern Fayette County, on the western slope of Chestnut Ridge.
 The elevation ranges from 1150 ft above sea level at the northwest end of the community, in the valley of Jacobs Creek, to 2196 ft near the southeast corner of the community, at the intersection of Kreinbrook Hill Road and Sky Top Road.
 As of the 2010 census the population of the CDP was 1,048.
Manara is an unincorporated community in Marion Township, Fayette County, Ohio, United States.
 It is located at , at the intersection of Washington-Waterloo Road (Fayette County Highway 35) and Bloomingburg-New Holland Road (Fayette County Highway 27).
Acme is an unincorporated community in Donegal Township, Westmoreland County, Pennsylvania, Mount Pleasant Township, Westmoreland County, Pennsylvania, and Bullskin Township, Fayette County, Pennsylvania in the United States.
 The Acme ZIP code of 15610 extends well beyond the more densely populated part of the area, into rural parts of Donegal Township in Westmoreland County and Bullskin Township in Fayette County.
Pittsburg (also Halbsville) is an unincorporated community in Fayette County, Illinois, United States.
 Located at (38.8714354, -89.2117374), it lies at an elevation of 531 feet (162 m).
 It was named after the industrial heritage of Pittsburgh, Pennsylvania which, coincidentally, has a Fayette County, Pennsylvania as part of its metropolitan area.
Buena Vista is an unincorporated community in Green Township, Fayette County, Ohio, United States.
 It is located at , at the intersection of Greenfield-Sabina Road (Fayette County Highway 5) and Stafford Road (Fayette County Highway 3), about 5 miles south of Washington Court House.
 Rattlesnake Creek flows near the town site.
Fairhope is an unincorporated community and census-designated place in Washington Township, Fayette County, Pennsylvania, United States.
 It is in the northwest corner of Fayette County, bordered by Lynwood to the northwest, Naomi to the west, and Arnold City to the east.
 The borough of Belle Vernon is 2 mi to the northwest.
 Pennsylvania Route 201 passes through Fairhope, leading north to Interstate 70 and south to Fayette City.
 As of the 2010 census the population of Fairhope was 1,151.
Oran is an unincorporated community in southwestern Fayette County, Iowa, United States.
 It lies along local roads southwest of the city of West Union, the county seat of Fayette County, and west of the city of Oelwein, the largest city in Fayette County.
 Its elevation is 1,043 feet (318 m).
 Although Oran is unincorporated, it has a post office with the ZIP code of 50664.
The French and Indian War (1754–63) comprised the North American theater of the worldwide Seven Years' War of 1756–63.
 It pitted the colonies of British America against those of New France.
 Both sides were supported by military units from their parent countries of Great Britain and France, as well as by American Indian allies.
 At the start of the war, the French North American colonies had a population of roughly 60,000 settlers, compared with 2 million in the British North American colonies.
 The outnumbered French particularly depended on the Indians.
 The European nations declared war on one another in 1756 following months of localized conflict, escalating the war from a regional affair into an intercontinental conflict.