
More than 1,000 Boston police officers strike after 19 union leaders are fired for organizing activities. Massachusetts Governor Calvin Coolidge announced that none of the strikers would be rehired, mobilized the state police, and recruited an entirely new police force from among unemployed veterans of the Great War (World War I) - 1919
Sixteen striking Filipino sugar workers on the Hawaiian island of Kauai are killed by police; four police died as well. Many of the surviving strikers were jailed, then deported - 1924