On April 17, 1946, the Kaliningrad Oblast — the northern portion of the former German province of East Prussia—was annexed by the Soviet Union and made part of the Russian SFSR.
On April 17 , 1946 , the Kaliningrad Oblast — the northern portion of the former German province of East Prussia — was annexed by the Soviet Union and made part of the Russian SFSR .
What administrative division did Kaliningrad Oblast become a part of?
What administrative division did Kaliningrad Oblast become a part of ?
the Russian SFSR
the Russian SFSR