1900- 1910- 1920- 1930- 1940- 1950- 1960- 1970- 1980- 1990- 2000-
 
1920-1929
1920
star 1920 Meeting: Harrisburg, PA (December 1-3)
Exec. Committee Chair: William Sproul, PA

Governors discuss: the shortage of affordable housing resulting from the lack of construction during World War I; the financial crisis facing farmers; and fears that a population shift from rural to urban communities would lead to starvation in cities based on the lack of fast and reliable transportation for perishable foods from farming communities.

star The U.S. Senate rejects membership in the League of Nations.
star The 19th Amendment to the U.S. Constitution (women's suffrage) is adopted.
star The U.S. Census concludes for the first time that urban residents outnumber rural residents.
star As a guest speaker at the peanut industry's convention, George Washington Carver delivers an address on the possibilities of the peanut.
star Professional football is organized with the founding of the American Professional Football Association, which becomes the National Football League in 1922.
1921
star 1921 Meeting: Charleston, SC (December 5-7)
Exec. Committee Chair: William Sproul, PA

It is reported that a Committee on Inter-State Compacts has identified four fields of state action in which compacts could be used to advantage: administrative control of commerce and industry; penal and police measures; commercial laws; and commercial law with foreign states.

star World War I is declared ended.
star The U.S. Bureau of the Budget is created.
star Congress passes the Sheppard-Towner Act, providing funding to states for maternal and child health care.
star The Federal Aid Highway Act of 1921 provides that federal aid can only be expended on major roads, to constitute no more than 7 percent of total road mileage in a state.
star Governor Calvin Coolidge of Massachusetts becomes Vice President.
star North Dakota becomes the first state in which a Governor (Lynn Frazier) is recalled.
1922
star 1922 Meeting: White Sulphur Springs, WV (December 14-16)
Exec. Committee Chair: William Sproul, PA

Dorothy Parker addresses the governors regarding the uniformity of marriage and divorce laws. Governors discuss the spreading power of the Ku Klux Klan.

star The Lincoln Memorial in Washington, DC is dedicated.
star U.S. Interior Secretary Albert Fall leases Teapot Dome (Wyoming) naval oil reserves to oil operator Harry Sinclair without competitive bidding, triggering the "Teapot Dome" scandal.
star Human Nature and Conduct, by American philosopher John Dewey, is published, looking into the role of habit in human behavior.
star Georgia Governor Thomas Hardwick appoints the first female member of the U.S. Senate—Rebecca Felton—following her husband's death.
star Seven states—Arizona, California, Colorado, Nevada, New Mexico, Utah, and Wyoming—sign an interstate compact governing the allocation of Colorado River water among them.
1923
star Former Massachusetts Governor Calvin Coolidge is inaugurated President

star 1923 Meeting: West Baden, IN (October 17-19)
Exec. Committee Chair: Channing Cox, MA

Governors are presented with a list of state laws in which uniformity had been established, which were primarily in the economic rather than the social arena.

Governors are told that uniformity of social laws such as those applicable to child labor would also be advisable due to their economic consequences.

Governors also discuss the falling purchasing power of farmers and the negative effect of surpluses that were encouraged during World War I.

star Robert Frost wins the Pulitzer Prize for poetry.
star The U.S. Supreme Court rules in Meyer v. Nebraska that banning foreign-language instruction is unconstitutional.
star Congress passes the Agricultural Credit Act, making low-interest loans available to farmers.
star Oklahoma Governor J.C. Walton declares martial law because of widespread violence perpetrated by the Ku Klux Klan.
1924
star 1924 Meeting: Jacksonville, FL (November 17-18)
Exec. Committee Chair: Channing Cox, MA

Association's Executive Committee is enlarged to five members.

Governors are presented with a report on conferences held around the country on state use of prison labor.

star The comic strip Little Orphan Annie is created.
star George Gershwin writes Rhapsody in Blue.
star Georgia O'Keefe completes her first large-scale flower painting.
star The U.S. Supreme Court rules unconstitutional an Oregon law requiring all children to attend public schools.
star American Indians are accorded U.S. citizenship.
star J. Edgar Hoover becomes FBI Director.
star The National Origins Act reduces immigration of southern and eastern Europeans to the United States.
star Congress authorizes creation of a Bureau of Prisons.
star Howard M. Gore, who will become Governor of West Virginia, begins serving as Secretary of the U.S. Department of Agriculture.
1925
star 1925 Meeting: Poland Springs, ME (June 29-July 1)
E. Lee Trinkle, VA

First woman governor-Nellie Ross of Wyoming-is welcomed at the association's Annual Meeting in Maine.

The director of the federal Budget Bureau urges that states follow federal suit and reduce spending, but governors point out that much of the reduction in federal spending has been associated with a shift from a wartime to a peacetime economy and that state spending is more difficult to reduce.

Governors also discuss federal aid, and concern is expressed that accepting matching grants will give too much control to the federal government.

star John Scopes goes on trial in Tennessee for teaching evolution.  He is found guilty and fined $100.
star The Great Tri-State Tornado crosses through Missouri, Illinois, and Indiana, killing nearly 700 people.
star F. Scott Fitzgerald's The Great Gatsby is published.
star The Grand Ole' Opry begins as a barn dance in Nashville.
1926

star 1926 Meeting: Cheyenne, WY (July 26-29)
Exec. Committee Chair: Ralph Brewster, ME

Governors adopt a resolution urging Congress to work for passage of legislation to aid agriculture to attain equal footing with other industries for the world’s market.

star Cooperative association is established with the forerunner of the Council of State Governments.
star Ernest Hemingway's The Sun Also Rises is published.
star Langston Hughes's first book of poetry, The Weary Blues, is published.
star The American Legislators' Association is organized.
star States adopt a plan for the first interstate highway system.
1927
star 1927 Meeting: Mackinac Island, MI (July 25-27)
Exec. Committee Chair: Ralph Brewster, ME

Governors voice objection to the federal government's encroachment on state authority via passage of both the Water Power Act of 1920, which authorized federal issuance of permits for the development of hydro-electric power, and the National Defense Act of 1926, which empowered the President to designate any river site for the construction, maintenance, and operation of dams, locks, power houses, and other such facilities in the event they were needed to generate electric power for war-related production.

Major flooding of the Mississippi River earlier in the year is a key subject of discussion. President Herbert Hoover's appeals for voluntary contributions to help repair the damage have brought in only 5 percent of the funds needed, and governors discuss whether the economic burden is too much for states to bear without federal assistance.

star Anarchists Nicola Sacco and Bartolomeo Vanzetti are executed in Massachusetts after being convicted of robbery and murder.
star Charles Lindbergh makes a nonstop flight from New York to Paris.
star Television is invented.
star The modern flash bulb is invented by General Electric.
star The first feature-length talking picture is released.
star The refrigerator comes into widespread use.
star Nevada's open gambling and six-week divorce laws are signed.
1928
star 1928 Meeting: New Orleans, LA (November 20-22)
Exec. Committee Chair: Adam McMullen, NE

As the economy worsens, governors discuss the wisdom of government intervention. William Foster, author of the Road to Plenty, addresses the governors, urging that economic indices be used to determine the efficacy of federal intervention.

Governors talk about the efficacy of severance tax, or tax against "takers" of a state's natural resources, as a hedge against future revenue losses. Governor Huey Long of Louisiana remarks that some corporations had already challenged the severance tax in his state by seeking to devalue the resources they were taking, which prompted a revision of the valuation method to focus on the quantity of what was being taken rather than its quality.

star The first computer is developed at MIT.
star The Academy of Motion Picture Arts and Sciences awards (the "Oscars") are first given.
star Color motion pictures are introduced.
star Penicillin is discovered.
1929
star 1929 Meeting: New London, CT (July 16-18)
Exec. Committee Chair: George Dern, UT

Governors discuss the origins of crime, youth crime, and gun control. They also talk about the promise of aviation and the steps necessary to prepare for increased plane travel.

star A Stock Market crash triggers the Great Depression.
star The Hawes-Cooper Act mandates that prison-made goods transported from one state to another be subject to the laws of the destination state, for the benefit of states that have banned the sale of prisoner-made goods.
star The Sheppard-Towner Act providing funding to the states for maternal and child care sunsets.
star Just ten years after the first state levied a gasoline tax, all states now have such taxes.
star Former Missouri Governor Arthur M. Hyde becomes Secretary of the U.S. Department of Agriculture.