  the bizone, or bizoniaencyclopaedia britannica was the combination of the american and the british occupation zones in 1947 during the occupation of germany after world war ii. with the addition of the french occupation zone in april 1949 the entity became the trizonehans georg lehmann, chronik der bundesrepublik deutschland 1945/49 bis 1981, mÃ¼nchen: beck, 1981, (beck'sche schwarze reihe; bd. 235), isbn 3-406-06035-8, p. 18. (sometimes jokingly called trizonesia, as, for example, in a well-known karneval song from that time).wir sind die eingeborenen von trizonesien ("we are the natives of trizonesia"), written by karl berbuer in 1948 later, on 23 may, the trizone became the federal republic of germany, commonly known as west germany. == history == the soviet union, which encouraged and partly carried out the post-war expulsions of germans from the areas under its rule, stopped delivering agricultural products from its zone in germany to the more industrial western zones, thereby failing to fulfill its obligations under the potsdam agreements to provide supplies for the expellees, whose possessions had been confiscated. at potsdam, it had been agreedcf. section iii. reparations from germany, paragraph 4 agreements of the berlin (potsdam) conference that 15% of all equipment dismantled in the western zones â especially from the metallurgical, chemical, and machine manufacturing industries â would be transferred to the soviets in return for food, coal, potash (a basic material for fertilisers), timber, clay products, petroleum products, etc. the western deliveries had started in 1946. the soviet deliveries â desperately needed to provide the eastern expellees with food, heat, and basic necessities, and to increase agricultural production in the remaining cultivation area â did not materialise. consequently, the american military administrator, lucius d. clay, stopped the transfer of supplies and dismantled factories from the ruhr area to the soviet sector on 3 may 1946lehmann, hans georg, chronik der bundesrepublik deutschland 194
1947 Allied_occupation_of_Germany American_military_occupations Borders_of_East_Germany Borders_of_West_Germany Former_polities_of_the_Cold_War West_Germany World_War_II_occupied_territories