Encyclopedia of Greater Philadelphia

Commercial aviation grew dramatically in the United States in the twentieth century, and a number of airports in the Philadelphia area grew to become regional centers of the industry. There was nothing assured or inevitable about this growth, however. It depended on the efforts of local political leaders, investments by the aviation companies, and state ⇒ Read More

The Philadelphia area is a recognized “hearth” of early American arboretums. Starting almost exclusively within a tight-knit community of Quaker botanists with a reverence for nature, early Philadelphia arboretums left a legacy of emphasis on native plants. Over time, the region’s arboretums also encompassed English naturalistic designs showcasing North American species and increasingly global perspectives, ⇒ Read More

Located on the west bank of the Schuylkill River, Bartram’s Garden, considered the oldest surviving botanic garden in North America, has served as a monument to the storied history of Philadelphia’s botanical endeavors and to the genius of John Bartram (1699–1777) and his descendants. Established as a family farm and garden by John Bartram in ⇒ Read More

Beginning in the eighteenth century with the botanical enthusiasts who explored the world around them as part of a larger interest in natural history, botany became an integral part of the Philadelphia region’s national and international reputation. It brought scholars and enthusiasts from across the globe to study and explore Philadelphia’s collections and gardens, influenced ⇒ Read More

On September 26, 1777, the British army marched into Philadelphia, beginning an occupation that lasted until the following spring. Its arrival led patriots to flee and Loyalists to rejoice, although wartime shortages soon led to suffering for those who remained in the city. The occupation, however, led to no concrete gains, and the British abandoned ⇒ Read More

Philadelphia was one of several key cities where, in the 1950s and early 1960s, singers created the small-group vocal harmony style of rhythm and blues known as doo wop. Doo wop was an urban style, sung on city street corners and in school hallways. Its name, derived from a type of sound singers made in ⇒ Read More

The food industry has always held a special place in Philadelphia and its surrounding region, though it never became a center of a massive industry like meatpacking in Chicago. Still, the methods of processing food at different periods and the people who did the work tell much about the state of Philadelphia’s economy and its ⇒ Read More

Constructed from the seventeenth through the mid-twentieth century, defensive fortifications along the lower Delaware River and bay guarded the region during times of international and sectional upheaval. As important structures with such long histories, forts help to explain the political, economic, and social history of the Greater Philadelphia region. The earliest fortifications in the lower ⇒ Read More

The reform wave that swept through City Hall in the mid-twentieth century owed much of its power to the Greater Philadelphia Movement (GPM), a volunteer group of corporate leaders who believed the city’s scandalous political corruption threatened its economic future. Formed in 1948, they called themselves “practical men” who wanted Philadelphia to work more effectively ⇒ Read More

Hog Island, at the confluence of the Delaware and Schuylkill Rivers, exemplifies many broad trends in the environmental history of the region.  Once improved for agriculture, the natural landscape ultimately deteriorated through overexploitation, leading to its conversion for industrial, commercial, and other forms of development.  No longer productive in the early twentieth century, the island ⇒ Read More

Greater Philadelphia has had close links to Liberia historically. Free blacks and abolitionists from the region helped colonize and underwrite the nation of Liberia’s founding in the early nineteenth century. Yet Philadelphia and Liberia had little connection between the mid-nineteenth and late twentieth century. Most Liberian settlement in the region resulted from the Liberian civil ⇒ Read More

With a significant presence in the Greater Philadelphia area dating back to the 1960s, Nigerians became the second-largest African population in the Delaware Valley in the first years of the twenty-first century. As major leaders in developing a new Pan-Africanism and in establishing pan-ethnic, transnational organizations to assist in the development of vibrant communities in ⇒ Read More

During the War for Independence, in 1777, the British moved to seize Philadelphia in a series of battles that contributed to a turning point in the war. While the Philadelphia campaign strained British resources and exposed serious leadership issues with General Sir William Howe (1729-1814), the effectiveness of American forces led by General George Washington (1732-99) ⇒ Read More

Southwest Philadelphia, which along with adjacent Tinicum Township, Delaware County, is the location of the Philadelphia International Airport, greets many visitors to the city. Yet, Southwest Philadelphia, often described as “far” Southwest, is quite possibly the least-known area of the city, even to Philadelphians. Kingsessing, as this vicinity was originally named, was the first section ⇒ Read More