Bucks, Chester (replacing Upland and named for Chester, England), Philadelphia Counties established; three Lower Counties under Penn – New Castle, Sussex (previously Hoarkill), and Kent (previously St. Jones).
King William’s War, also known as the First Indian War, Father Baudoin’s War, Castin’s War, or the First Intercolonial War. It was the North American theater of Europe’s Nine Years’ War (1688–97), also known as the War of the Grand Alliance or the War of the League of Augsburg
Queen Anne’s War was the second in a series of French and Indian Wars (or Second Intercolonial War) fought in England’s American Colonies during the reign of Queen Anne. It is viewed in America as a stand-alone conflict, though in Europe it is seen as the American theater of the War of the Spanish Succession
Northumberland County from Bedford, Lancaster, Cumberland, Berks, and Northampton Counties; Indian village of Shamokin renamed Sunbury and named as county seat, named for Sunbury-on-Thames; area originally settled by Moravians in 1741
Virginia establishes West Augusta District in the SW area of Province of PA, west of Bedford County. This area was governed from Fort Dunmore, formerly Fort Duquesne, and later was Fort Pitt.
Connecticut established the town of Westmoreland in NE Pennsylvania, as part of Litchfield County, CT. This was the result of Connecticut’s claim to the Wyoming Valley. The dispute was over an interpretation of original Connecticut royal charter from 1662. It was ultimately resolved in 1782 with The Decree of Trenton