Mapping IWW campaigns, strikes, arrests, persecution

These maps and charts are part of the Mapping American Social Movements Through the 20th Century Project

IWW events map 1905-1920

These interactive maps locate more than 1,800 strikes, campaigns, arrests, and persecution events involving the IWW from 1905 to 1920. Events can be filtered by year, state, and type of event. Hover to see short descriptions.

IWW local unions, 1909-1917

This set of maps locates more than 900 IWW unions in more than 350 cities and towns in 38 states and territories of the United States and 5 Canadian provinces. They are color coded by industry and you may filter by industry and state.

IWW newspapers and periodicals

Here are maps showing the 90 newspapers and periodicals affiliated with the IWW. They were published in 19 different languages. These data were compiled by Kenyon Zimmer.

Other interactive maps, charts


IWW strikes 1906-1920

More than 450 strikes are mapped. Filter by year. Hover for details on each one. Charts show numbers by state and years.

Arrests, prosecutions, beatings, and other violence

More than 350 incidents of persecution from 1906 to 1920.