On March 14, 1681, William Penn received a charter from the King of England for a grant of land to establish a colony in the New World.

[4] The southernmost part of the township was originally disputed territory between Pennsylvania and Maryland, resolved eventually by the Mason–Dixon line.

[5][6][7] Lunn's Tavern and the Thompson Farm are listed on the National Register of Historic Places.

[8] According to the United States Census Bureau, the township has a total area of 9.9 square miles (26 km2), all land.

The White Clay Creek Preserve makes up 1,255 acres (508 ha) of the township.

The White Clay Creek watershed was designated as a National Wild and Scenic River on October 24, 2000.

[14] Pennsylvania Route 896 is the only numbered highway serving London Britain Township.