Labor Day in September 1882. In connection with this clandestine Knights assembly, a public parade of various labor organizations was held on September 5 under the auspices of the Central Labor Union (CLU) of New York. Secretary of the CLU Matthew Maguire is credited for first proposing that a national Labor Day holiday subsequently be held on the first Monday of each September in the aftermath of this successful public demonstration. An alternative thesis is maintained that the idea of Labor Day was the brainchild of Peter J. McGuire, a vice president of the American Federation of Labor, who put forward the
Mines on the first day of the Somme Mines on the first day of the Somme The 19 mines on the first day of the Somme comprised a series of underground explosive charges, secretly planted by British tunnelling units beneath the German front lines on the Western Front during the First World War, ready to be detonated in the morning of Saturday 1 July 1916, the first day of the Battle of the Somme (1 July – 18 November 1916). The joint explosion of these mines ranks among the largest artificial non-nuclear explosions. The tunnelling companies of the Royal Engineers were to make two major contributions to the