<P> It was founded by Uriah Stephens on December 28 , 1869 , reached 28,000 members in 1880 , then jumped to 100,000 in 1884 . By 1886 20 % of all workers were affiliated with the KOL , ballooning to nearly 800,000 members . Its frail organizational structure could not cope as it was battered by charges of failure and violence and calumnies of the association with the Haymarket Square riot . Most members abandoned the movement in 1886 - 87 , leaving at most 100,000 in 1890 . Many of them chose to join groups that helped to identify their specific need , instead of the KOL that addressed many different types of issues . Furthermore , the Panic of 1893 terminated the Knights of Labor 's importance . Remnants of the Knights of Labor continued in existence until 1949 , when the group 's last 50 - member local dropped its affiliation . </P>
<P> It was founded by Uriah Stephens on December 28 , 1869 , reached 28,000 members in 1880 , then jumped to 100,000 in 1884 . By 1886 20 % of all workers were affiliated with the KOL , ballooning to nearly 800,000 members . Its frail organizational structure could not cope as it was battered by charges of failure and violence and calumnies of the association with the Haymarket Square riot . Most members abandoned the movement in 1886 - 87 , leaving at most 100,000 in 1890 . Many of them chose to join groups that helped to identify their specific need , instead of the KOL that addressed many different types of issues . Furthermore , the Panic of 1893 terminated the Knights of Labor 's importance . Remnants of the Knights of Labor continued in existence until 1949 , when the group 's last 50 - member local dropped its affiliation . </P>
when did the knights of labor start and end
when did the knights of labor start and end
December 28 , 1869 1949
December 28 , 1869 1949