May 10

Thanks to an army of thousands of Chinese and Irish immigrants, who laid 2,000 miles of track, the nation’s first transcontinental railway line was finished by the joining of the Union Pacific and Central Pacific lines at Promontory Point, Utah - 1869 

U.S. & Canadian workers form Western Labor Union. It favors industrial organization and independent labor party politics - 1898 

More info & ammo for unionists is available
online from Union Communication Services.

http://www.unionist.com/