23 July

Anarchist Alexander Berkman shoots and stabs but fails to kill steel magnate Henry Clay Frick in an effort to avenge the Homestead massacre 18 days earlier, in which nine strikers were killed. Berkman also tried to use what was, in effect, a suicide bomb, but it didn’t detonate – 1892

Aluminum Workers Int’l Union merges with The United Brick & Clay Workers of America to form Aluminum, Brick & Clay Workers – 1981