Pete Seeger, folksinger and union activist, born in Patterson, N.Y. Among his songs: “If I Had A Hammer” and “Turn, Turn, Turn” - 1919

Start of ultimately successful six-day strike across New England by what has been described as the first women-led American union, the Telephone Operators Department of IBEW - 1919

Labor leader and Socialist Party founder Eugene V. Debs is imprisoned for opposing American entry into World War I. While in jail he ran for president, received 1 million votes - 1919