Sunbury ( /sʌnbɛri/) is a city in Northumberland County, Pennsylvania, United States. The city is located on the east bank of the Susquehanna River, just downstream of the confluence of its east and west branches. The population was 9,905 at the 2010 census. It is the county seat of Northumberland County.
Sunbury has a unique history dating back to 1724 as the most western settlement in Pennsylvania.It was named after an English village near London. Located at the site of the former Fort Augusta, built in 1756, was the stronghold in the Susquehanna Valley providing protection for early settlers. Sunbury was founded in 1772, four years prior to our nation’s independence. Magnificent historical buildings, dating back as far as the 18th century, still maintain their significant architectural facades.
Thomas Edison installed the first successful three-wire electric lighting system in July 1883 at what was then known as the City Hotel. In honor of the event, the hotel was renamed the Edison Hotel.