In 1791, Pierre Charles L'Enfant, a French-American engineer, was commissioned to design the layout of Washington, D.C. His plan featured grand avenues, public squares, and a grid system that adapted to the city's topography, reflecting Enlightenment ideals of order and beauty. L'Enfant's vision not only shaped the capital's physical space but also symbolized the aspirations of a new nation, emphasizing democracy and civic engagement.

Pierre L'Enfant's plan for Washington, D.C. in 1791 symbolized the ideals of the new American republic, influencing patriotic poetry and writings on national identity. Poets like Walt Whitman later celebrated the democratic space and the vision of a united nation through their works.