The neighborhood was designated as a historic district in the 1990s. Upper East Side (East Brandywine) West Center City 11th St. Bridge West of I-95 Bayard Square Browntown – areas in the city that were originally populated by Polish immigrants. Today, the Polish community maintains a strong presence, while other ethnicities have moved in the neighborhood's borders. Canby Park – About 1930 the Wilmington City Council renamed Southwest Park as Canby Park in honor of Henry and William Marriott Canby. Canby Park Estates is on one side of the park. Cool Spring & Tilton Park – bounded loosely by Pennsylvania Avenue on the north, West 7th Street on the south, North Jackson Street on the east and North Rodney Street on the west. The neighborhood is home to two Catholic schools, Ursuline Academy and Padua Academy. The neighborhood is also the location of the private University & Whist Club and the Holy Trinity Greek Orthodox Church, which hosts an annual Greek cultural festival. Delaware Avenue The Flats – The Flats was founded by businessman William Bancroft who developed the neighborhood in 1901 under the Woodlawn Company, now known as the Woodlawn Trustees, with the intention of creating affordable homes for working class residents of Wilmington. The predominantly minority community is currently in the process of gaining authorization for a $100 million revitalization to be performed in seven phases over 12 years. Forty Acres – This historically Irish neighborhood, rural until the mid-19th century, developed from the farmland of Joshua T. Heald. One of the city's first suburbs, the neighborhood is centered on the St. Ann's Roman Catholic Church. The name Forty Acres is taken from the fertility of the farmland. One acre of the land was said to be worth one might find someplace else. The neighborhood exists northeast of Delaware Avenue, southwest of Riddle Avenue, east of Union Street and west of DuPont Street, with Lovering Avenue as its eastern boundary. Greenhill Happy Valley – a small collection of late 19th-century row houses on the southeastern slope to Brandywine Park, between Adams Street, Van Buren Street (I-95), Wawaset Street and Gilpin Avenue. This neighborhood also includes a significant number of more modern townhouses (1970's) designed by architect Richard Chalfant. Hedgeville The Highlands – located between Pennsylvania Avenue and Delaware Avenue, the Highlands neighborhood, centered on 18th Street southeast of Rockford Park, was developed by Joshua Heald in the 19th