Broadway Historic District is a nationally recognized historic district and neighborhood in Rock Island, Illinois, United States. It is roughly bounded by 17th and 23rd street, 5th and 7th avenues, Lincoln Court, and 12th and 13th avenues. Containing more than 550 Victorian homes as well as other buildings, it known for its Great Unveiling program, which encourages the removal of artificial siding from historic houses.On August 14, 1998, it was added to the National Register of Historic Places.Contributing propertiesContributing properties in the district include: Connor House (Rock Island, Illinois)First Church of Christ, Scientist (Rock Island, Illinois)Lincoln School (Rock Island, Illinois)Potter House (Rock Island, Illinois)Robert Wagner House