flag of Pennsylvania U.S. state flag consisting of a dark blue field (background) bearing a central coat of arms with black horses as supporters. In 1777 a seal was created bearing the coat of arms now found on the state flag., It may have taken the Pennsylvania General Assembly a long while to create an official state flag, but that doesn't mean there weren't other earlier flags associated with the colony and state. William Penn established Pennsylvania in 1682 as a place for Quakers, and during its time as a colony, there's no evidence it had any sort of official , Current flag of Pennsylvania with main information. You will also learn the location of the state., Pennsylvania Flag History. The flag of Pennsylvania, adopted in 1907, reflects the state’s history and values. The flag is composed of a deep blue field, mirroring the blue of the nation’s flag, signifying loyalty, perseverance, and justice. In the center, the state coat of arms is emblazoned, featuring a shield flanked by two horses., The state flag of Pennsylvania is a symbol of the state’s rich history, heritage, and values. The Pennsylvania flag, officially adopted in 1907, features the state coat of arms emblazoned on a deep blue field., The flag of Pennsylvania is a simple yet significant emblem, featuring a blue field with the state coat of arms displayed prominently. Historically, the use of the state coat of arms on flags for the Pennsylvania militia dates back to April 9, 1799, with various forms of flags in use..