in the early reforms, the treaty Brest-Litovsk ended the war and required Russia to give up much of its eastern land, church and state were separated, there was a rule by the proletariat, the land was given to the peasants (who had already seized it but didn't exactly own it), factories were owned by the workers, large industry was controlled by the government, they switched from the Julian to the Gregorian calendar, ethnic groups were given equal rights, and women were decreed equals of men, also gaining the rights of legalized divorce and permitted abortions. the German and Russian Empires lost considerable territory in Eastern Europe at the conclusion of the war, and the Austro-Hungarian Empire disappeared altogether. These changes resulted in the creation of several new nations: Finland, Latvia, Estonia, Lithuania, Poland, Czechoslovakia, Austria, and Hungary. Romania acquired additional lands from Russia, Hungary, and Bulgaria. Serbia formed the nucleus of the new Slav state Yugoslavia consisting of Serbs, Croats, and Slovenes.