The McMillan Plan was a comprehensive urban design proposal for the city of Washington, D.C., created in 1901 by a commission led by Senator James McMillan. The plan aimed to enhance the city's landscape and improve its public spaces, emphasizing the importance of parks, monuments, and grand avenues. It sought to create a more organized and aesthetically pleasing city layout, reflecting the ideals of the City Beautiful movement. Key features of the McMillan Plan included the development of the National Mall, the establishment of new parks, and the redesign of the waterfront. The plan also proposed the construction of new government buildings and the preservation of historic sites, ultimately shaping the modern identity of Washington, D.C..