View by Period View by Theme

1920-1939

Click to View Previous Segment of Timeline

1920 A year conventionally regarded as the beginning of the Art Deco era, the era between the two World Wars that left its mark (streamlining, angles, neon, etc.) on the look of many American cities. Among its iconic structures are New York's Rockefeller Center, Miami Beach Hotels, and San Francisco's Golden Gate Bridge. Urban Design
1921 Congress passes the Budget and Accounting Act establishing a Bureau of the Budget (forerunner of the Office of Management and Budget) for the purpose of centralizing and enhancing the efficiency of its financial processes. The same act sets up the General Accounting Office (GAO) to serve as the government's auditor of executive accounts. Landmark Laws
1921 New Orleans designates the Vieux Carre Commission, the first historic preservation commission in the U.S. Conservation & Environment
1922 J.C. Nichols Country Club Plaza, a group of leased stores planned as a unit and under single ownership is created in the vicinity of Kansas City, Missouri. Urban Design
1922 Los Angeles County Regional Planning Commission created. First of its kind in the United States. (Hugh Pomeroy, head of staff.) History of Planning Profession Regional Planning
1922 Inauguration of Regional Plan of New York under Thomas Adams. Regional Planning
1922 Pennsylvania Coal Co. v. Mahon. The first decision to hold that a land use restriction constituted a taking. The U.S. Supreme Court (Justice Brandeis dissenting) noted "property may be regulated to a certain extent, [but] if regulation goes too far it will be recognized as a taking," thus acknowledging the principle of a "regulatory taking." Landmark Laws
1923 Ground broken for construction of Mariemont, Ohio, in suburban Cincinnati. Mary Emery was its founder and benefactor; John Nolen, the planner. Some of its features (short blocks, mixture of rental and owner-occupied housing) foreshadow the contemporary New Urbanism movement. Planned Communities
1924 The Fairway Farms experiment, funded by the Spellman Foundation, begins with the purchase of nine farms in Montana. Its purpose is to demonstrate, with the aid of scientific planning, the viability of the family farm on the high plains. Economic Development Regional Planning
1924 U.S. Department of Commerce under Secretary Herbert Hoover issues a Standard State Zoning Enabling Act. Landmark Laws
1924-28 Sunnyside Gardens, a planned neighborhood designed by Clarence Stein and Henry Wright, is built by City Housing Corporation under Alexander Bing in Queens, New York. Planned Communities
1925 Publication of "Regional Plan" issue of Survey Graphic, influential essays on regional planning by Lewis Mumford and other members of the Regional Planning Association of America (e.g., Catherine Bauer). Landmark Publication Regional Planning
1925 Cincinnati, Ohio, becomes first major American city officially to endorse a comprehensive plan. (Alfred Bettman, Ladislas Segoe). History of Planning Profession
1925 Ernest Burgess's "Concentric Zone" model of urban structure and land use is published. Landmark Publication
1925 In April, The American City Planning Institute and The National Conference on City Planning publish Vol. 1, No. 1 of City Planning, ancestor of present-day Journal of the American Planning Association. Landmark Publication History of Planning Profession
1926 Village of Euclid v. Ambler Realty Co . Constitutionality of zoning upheld by the U.S. Supreme Court. (Case argued by Alfred Bettman.) Landmark Laws
1928 U.S. Department of Commerce under Secretary Herbert Hoover issues a Standard City Planning Enabling Act. Landmark Laws History of Planning Profession
1928 Benton MacKaye, known as Father of the Appalachian Trail, publishes The New Exploration: A Philosophy of Regional Planning Landmark Publication Regional Planning
1928 Robert Murray Haig's monograph "Major Economic Factors in Metropolitan Growth and Arrangement" is published in Volume I of The Regional Survey of New York and Its Environs. Viewed land use as a function of accessibility. Landmark Publication Regional Planning
1928 Construction of Radburn, New Jersey, begun. Planned community inspired by Howard's Garden City concept and designed by Stein and Wright. A forerunner of the New Deal's Greenbelt towns. Planned Communities
1929 Architect Robert H. H. Hugman presents a plan to the civic authorities of San Antonio for the redevelopment of the San Antonio River, the seed of the city's famous Paseo del Rio (Riverwalk). Urban Design
1929 Clarence Perry's monograph on the Neighborhood Unit is published in Volume VII of The Regional Survey of New York and Its Environs. Landmark Publication Planned Communities
1929 A Wisconsin law, possibly the first instance of rural zoning, authorizes county boards "to regulate, restrict and determine the areas within which agriculture, forestry and recreation may be conducted." Landmark Laws
1929 Stock market crash in October ushers in Great Depression and fosters ideas of public planning on a national scale. Economic Development
1931 Building the City, the last and summary volume of the multi-volume Regional Plan of New York, is published and gives rise in the pages of The New Republic (June-July 1932) to a famous argument between Thomas Adams and Lewis Mumford regarding the value of that plan and the meaning of metropolitan planning. Landmark Publication Regional Planning
1931 National Land Utilization Conference convened in Chicago. Three hundred agricultural experts deliberate on rural recovery programs and natural resource conservation. Conservation & Environment
1932 In The Disappearing City, Frank Lloyd Wright elevates America's penchant for urban sprawl into a design principal. He calls it Broadacre City. Landmark Publication Urban Design
1932 Federal Home Loan Bank System established to shore up shaky home financing institutions. Housing
1932 Reconstruction Finance Corporation established at the outset of the Great Depression to revive economic activity by extending financial aid to failing financial, industrial, and agricultural institutions. Economic Development
1933 Franklin Delano Roosevelt becomes president. The New Deal begins with a spate of counter-depression measures.
1933 Home Owners Loan Corporation established to save homeowners facing loss through foreclosure. Housing
1933 The National Planning Board established in the Interior Department to assist in the preparation of a comprehensive plan for public works under the direction of Frederick Delano, Charles Merriam, Wesley Mitchell. Its last successor agency, the National Resources Planning Board, was abolished in 1943. Conservation & Environment History of Planning Profession
1933 Civilian Conservation Corps established to provide work for unemployed youth and to conserve nation's natural resources. Conservation & Environment
1933 Federal Emergency Relief Administration set up under Harry Hopkins to organize relief work in urban and rural areas. Landmark Laws
1933 The Tennessee Valley Authority, a public corporation with some of the freedom of a private corporation, is created to provide for the unified and multipurpose rehabilitation and redevelopment of the Tennessee Valley. Senator George Norris of Nebraska fathered the idea and David Lilienthal, "Father of Public Power," serves as its long-term director. Regional Planning Landmark Laws Economic Development
1933 The Agricultural Adjustment Act is passed to regulate agricultural trade practices, production, prices, supply areas (and therefore land use) as a recovery measure.
1934 American Society of Planning Officials founded, an organization for planners, planning commissioners and planning-related public officials. History of Planning Profession
1934 National Housing Act. Established FSLIC for insuring savings deposits and the FHA for insuring individual home mortgages. Housing Landmark Laws
1934 Taylor Grazing Act is passed, its purpose to regulate the use of the range in the West for conservation purposes. Conservation & Environment Regional Planning Landmark Laws
1934 "Final Report" by the National Planning Board on its first year of existence. Includes a section entitled "A Plan for Planning" and an account of the "Historical Development of Planning in the United States." The latter views American planning history in the context of U.S. political and economic history. Landmark Publication
1934 The Securities and Exchange Act establishes the Securities and Exchange Commission and inaugurates some regulatory control over the stock and bond markets to prevent another crash like that of 1929. Landmark Laws
1935 Resettlement Administration established under Rexford Tugwell, Roosevelt "braintruster," to carry out experiments in land reform and population resettlement. This agency built the three Greenbelt towns (Greenbelt, Maryland; Greendale, Wisconsin; Greenhills, Ohio) forerunners of present day New Towns: Columbia, Maryland; Reston, Virginia; etc.) Planned Communities Landmark Laws
1935 Publication date of Regional Factors in National Planning by the National Resources Committee, a landmark in regional planning literature. Landmark Publication Conservation & Environment Regional Planning
1935 Soil Conservation Act. Congress moves to make prevention of soil erosion a national responsibility. Conservation & Environment Landmark Laws
1935 The Historic Sites, Buildings and Antiquities Act, a predecessor of the National Historic Preservation Act, passed. Requires the Secretary of the Interior to identify, acquire, and restore qualifying historic sites and properties and calls upon federal agencies to consider preservation needs in their programs and plans. Conservation & Environment Landmark Laws
1935 Social Security Act passed to create a safety net for elderly. Frances Perkins, Secretary of Labor and first woman cabinet member, was a principal promoter. Landmark Laws
1935 Congress authorizes construction of the Grand Coulee Dam on the Columbia River in Central Washington State. Finished in 1941, it is the largest concrete structure in the U.S. and the heart of the Columbia Basin Project, a regional plan comparable in its scope to TVA. The project's purposes are irrigation, electric power generation and flood control in the Pacific Northwest. Economic Development Regional Planning Conservation & Environment Landmark Laws
1936 Hoover Dam on the Colorado River completed. Creates and sustains population growth and industrial development in Nevada, California, and Arizona. Economic Development Regional Planning
1937 Our Cities: Their Role in the National Economy. A landmark report by the Urbanism Committee of the National Resources Committee. (Ladislas Segoe headed research staff.) Landmark Publication History of Planning Profession
1937 U.S. Housing Act (Wagner-Steagall). Set the stage for future government aid by appropriating $500 million in loans for low-cost housing. Tied slum clearance to public housing. Housing Landmark Laws
1937 Farm Security Administration established, successor to the Resettlement Administration and administrator of many programs to aid the rural poor. Landmark Laws
1938 The American Institute of Planners, the planning field's professional organization, states as its purpose: "... the planning of the unified developoment of urban communities and their environs, and of states, regions and the nation, as expressed through determination of the comprehensive arrangement of land uses and land occupancy and the regulation thereof." History of Planning Profession
1939 Homer Hoyt's influential "sector theory" of urban growth appears in his monograph, The Structure and Growth of Residential Neighborhoods in American Cities. Landmark Publication Housing

Click to view next segment of timeline.

Search Planning.org

Merriam Center Library

The Merriam Center Library is at the heart of APA's research efforts. It is one of the finest focused collections of materials on planning practice in the nation.

Click here to search the library's holdings

Highlights
Merriam Center Library
PAS
Projects
Brownfields Strategies
Central America-Caribbean Training
City Parks Forum
Context-Sensitive Signage Design
Family Friendly Communities
Growing Smart
Healthy Communities Through Collaboration
Housing Choice
Integrating Hazard Mitigation
Land-Based Classification Standards
Landslide Hazards and Planning
NASA-LBCS
Neighborhood Collaborative Planning
Physically Active Community
Planning and Climate Change
Planning and Urban Design Standards
Planning for Wildfires
Smart Growth Codes
State Laws and Natural Hazards
Tribal Transportation Programs
Urban & Community Forestry
Amicus Briefs
APA Advocate
Coalitions
Congressional Fellowships
Domestic Policy Watch
Effective Advocacy
Eminent Domain
Legislative Action Center
Legislative Priorities
Policy Guides
Regulatory Takings
Resources
The Statehouse
PropertyFairness.org
Previous Editions
Previous Editions
Previous Editions
Community Assistance Program
Great Places in America
Kids & Community
National Community Planning Month
Neighborhood Collaborative Planning
Plans of American Communities
Resources
World Town Planning Day
JAPA
PAS Memo
Planning
Planning & Environmental Law
Practicing Planner
ResourcesZine
The Commissioner
The New Planner
Zoning Practice
Publication Abstracts
Publication Editors Directory
Subscribe
Affordable Housing Reader
APA in China
Directors Network
Document Center
Ethical Principles
Global Planners Network
International Development
New Directors Institute
Pathways - Planning Timeline
Planning Practice
Podcasts
Smart Growth Reader
Resources
Tuesdays at APA
Previous Editions
Choosing a Consultant
Consultant Resources
ConsultantSearch
RFP-RFQ Listings
Update Consultant File
Join APA
Bylaws
Contact Us
Development Plan
Diversity
APA Green Team
History
Leadership
L'Enfant Lecture
National Planning Awards
25th Anniversary
AICP
Chapters
Commissioners & Officials
Divisions
Students
Member / Customer FAQ
APA Board
AICP Commission
APA Executive Staff
AICP Certification
Certification Maintenance
Community Assistance Program
Ethics
FAICP
Mentoring
Salary Survey
Symposium
Previous Symposiums
Chapter Conferences
Chapter Websites
Legislative Network
PODO Manual
PDOs
Division Conferences
Division Websites
National Conference Manual
Division Initiatives
Free Student Membership
Mentoring
Planning Student Organizations
Scholarships
The New Planner
APA in the News
APA News Releases
APA News & Features
Daily Planning News
In Memoriam
Katrina
Louisiana Recovery
Members in the News
National Planning Awards
Notices
Commissioners & Officials
Professional Planners
Youth & Teachers
Education Center
Educational Products
High School Essay Contest
Scholarships
Jobs Online
Conference Job Connection
For Employers
Careers
Post Your Resume
Salary Survey
Professional Practice Center
View All Jobs
Search Jobs
Place a Job Ad
Field of Planning
Enhancing Your Career
National Conference
Audio/Web Conferences
Calendar of Events
Chapter Conferences
Co-Sponsored Events
Future Conferences
Federal Policy & Program Briefing
Planners Training Service
Proceedings 1997-2003
Speaker Database
APA's PlanningBooks.com
AICP Products
Conference Audio Recordings
Congressional Handbook
Mailing Lists
Join APA
My Information (Address Changes)
Bylaws
Contact Us
Development Plan
Elections
Planning Foundation of APA
Insurance Program
APA Interact
Leadership
Member Directory
Salary Survey
Planners' Communications Guide
Member / Customer FAQ
Previous Editions