Back to school (marketing) which is unusual in that it starts its school year in spring, the back to school sales are traditionally held in late March. In Canada and the United States, back to school shopping is associated with Labor Day, which falls on the first Monday of September. While Labor Day is a widely-observed holiday, it has no official celebration. Labor Day has since become symbolic as the unofficial "end of summer". Most schools and colleges begin their school year around this time, so the holiday has become a back to school shopping tradition. much as Memorial Day and Victoria Day, and
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