Treaty on the Creation of the USSR on 30 December 1922 by a conference of delegations from the Russian SFSR, the Transcaucasian SFSR, the Ukrainian SSR and the Byelorussian SSR. The Treaty and the Declaration were confirmed by the 1st Congress of Soviets of the USSR and signed by heads of delegations Mikhail Kalinin, Mikhail Tskhakaya, Mikhail Frunze and Grigory Petrovsky, Aleksandr Chervyakov respectively on December 30, 1922. The treaty provided flexibility to admit new members. Therefore, by 1940 the Soviet Union grew from the founding four republics to 15 republics. On 8 December 1991, Russian, Ukrainian and Belarusian Presidents signed the Belavezha Accords. The agreement declared
1177 B.C.: The Year Civilization Collapsed 1177 B.C.: The Year Civilization Collapsed 1177 B.C.: The Year Civilization Collapsed is a nonfiction ancient history book written by Eric H. Cline and published in 2014 by Princeton University Press. The book focuses on his hypothesis for the Late Bronze Age collapse of civilization, a transition period that affected the Egyptians, Hittites, Canaanites, Cypriots, Minoans, Mycenaeans, Assyrians and Babylonians; varied heterogeneous cultures populating eight powerful and flourishing states intermingling via trade, commerce, exchange and "cultural piggybacking", despite "all the difficulties of travel and time". He presents evidence to support a "perfect storm" of "multiple interconnected failures", meaning that more