List of Urban Planning Theories With Their Approximate Eras

Classical Theories (Late 19th – Early 20th Century)
Garden City (1898)
City Beautiful Movement (1890s-1910s)
Radiant City (1920s-1930s)

Economic and Spatial Theories (20th Century)
Central Place Theory (1933)
Concentric Zone Model (1925)
Sector Model (1939)
Multiple Nuclei Model (1945)

Environmental and Ecological Theories (Mid-20th Century – Present)
Ecological Urbanism (2000s)
Smart Growth (1990s)
Landscape Urbanism (1990s-2000s)
Critical and Postmodern Theories (1970s – Present)
Urban Political Economy (1970s-1980s)
Postmodern Urbanism (1980s-1990s)
New Urbanism (1990s)

Technological and Future-Oriented Theories (21st Century)
Smart Cities (2010s)
Transit-Oriented Development (TOD) (1990s)
Resilient Cities (2000s-2010s)

Source:

https://www.linkedin.com/posts/umair-khan-01a583268_aisometimessucks-lookatimage-whichislifeless-activity-7288131957618528256-BvZf/?utm_source=share&utm_medium=member_desktop&rcm=ACoAAAtGGkQBsxwMBmX3lEJO8btihnfBCaHqTz4