 Complete the following phrase:  According to the then-main opposition party, the Democratic Party of Japan which backed the bill for the first time after many years of refusal, the holiday encourages public reflection on the turbulent 63 years of Hirohitos reign rather than glorifying the emperor himself. Hirohitos reign saw, among other things, the end of the Taishō Democracy, the 1931 Japanese invasion of Manchuria, a period of government by assassination including the attempted coups of May 15, 1932 and February 26, 1936, the rise of the totalitarian Taisei Yokusankai, World War II, the post-war occupation, the 1964 Summer Olympics and 