Labor Day initial proposal in the spring of 1882. According to McGuire, on May 8, 1882, he made a proposition to the fledgling Central Labor Union in New York City that a day be set aside for a "general holiday for the laboring classes". According to McGuire he further recommended that the event should begin with a street parade as a public demonstration of organized labor's solidarity and strength, with the march followed by a picnic, to which participating local unions could sell tickets as a fundraiser. According to McGuire he suggested the first Monday in September as an ideal date for
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