Pivotal Events Timeline ... 1940 - 1949 The World December, 1941 the United States enters the war after the  Japanese attack on Pearl Harbour 1945 – WW2 ends.. Canada Aug. 19: Nearly 1000 Canadians die and 2000 are taken prisoner in the failed raid on Dieppe. Manitoba Rationing and consumer goods shortages become a way of life. Manitoba Power Commission decides to extend  service to more rural areas. Arden and the R.M. of Lansdowne 1940 The first combine bought by Oscar G. Reilley. Arden Branch of the Royal Canadian Legion formed. 1942 The Western Canada Elevator in Helston becomes the Helston Coop. 1945 The return of soldiers, many with war brides, signals the beginning of the “Baby Boom”. 1946 Helston Co-op Elevator torn down. 1947 Dr. G.M. Brownell, Chairman of the Historic Sites Advisory Board, reports on the archaeological value of the mounds and the Indian Village in the Arden area. Mass chest X-Rays authorized. Addition made to War Memorial. 1949 The Legion puts a plaque on the war memorial. Hydro construction began in the Lansdowne area.