Jan.

Shipyard workers in Seattle, Washington, go on strike to protest poor pay and harsh conditions. A general strike ensues with more than sixty thousand people participating. Nervous national leaders call off the strike before any real gains are made.

29 Jan.

The Eighteenth Amendment to the Constitution is ratified, prohibiting the manufacture, sale, and transportation of intoxicating liquors.

Sept.

Steel workers numbering 250,000 walk out in protest over long hours and low pay. Company owners fight back by using strikebreakers and thugs to stop the strike.

9 Sept.

Boston police go on strike, leaving the city without protection.

28 Oct.

The Volstead Act is passed, enforcing the Eighteenth Amendment.

20 Nov.

The nation's first municipal airport opens in Tucson, Arizona.