Categories
The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Middle Schools (1 member)
- Midtown Village (1 member)
- Military (9 members)
- Military events in the United States (1 member)
- Modern Philadelphia (1 member)
- Modern architecture in Pennsylvania (1 member)
- Modernism (2 members)
- Montgomery County (2 members)
- Montgomery County, Pennsylvania (7 members)
- Monuments (2 members)
- Motor vehicles (1 member)
- Mount Airy (2 members)
- Mount Airy, Philadelphia (1 member)
- Moving to Philadelphia (0 members)
- Mummers Parade (1 member)
- Municipal Government (2 members)
- Municipal Services (1 member)
- Municipal corporations of Pennsylvania (1 member)
- Municipal divisions (1 member)
- Museum Districts (1 member)
- Museums (49 members)
- Museums established in 1940 (1 member)
- Museums established in 1976 (1 member)
- Museums in Pennsylvania (2 members)
- Museums in Philadelphia (15 members)
- Museums in the United States (1 member)
- Music (9 members)
- Music history (1 member)
- Music venues (1 member)
- Musical groups established in 1992 (1 member)
- Musicians (43 members)
- NBA (1 member)
- NBC affiliates (1 member)
- NFC East (1 member)
- NHL (1 member)
- NHL history (1 member)
- National Constitution Center (1 member)
- National Football League rivalries (1 member)
- National Historic Landmarks (12 members)
- National Historic Landmarks in Pennsylvania (9 members)
- National Historical Parks in Pennsylvania (1 member)
- National Hockey League mascots (1 member)
- National Hockey League teams disestablished in 1931 (1 member)
- National Landmarks (1 member)
- National Park Service (1 member)
- National Park Service sites (1 member)
- National Register of Historic Places (1 member)
- National banks of the United States (1 member)
- Natural Environment (8 members)
- Natural History (2 members)