¿Qué hecho marcó el establecimiento del primer régimen socialista en la historia?

A. La toma del Palacio de Invierno
B. La creación de soviets
C. La abdicación del zar



Answer :

Final answer:

The abdication of the zar marked the establishment of the first socialist regime in history during the October Revolution of 1917 in Russia.


Explanation:

The establishment of the first socialist regime in history

The fact that marked the establishment of the first socialist regime in history was the abdication of the zar. This event took place during the October Revolution of 1917 in Russia, leading to the establishment of the Union of Socialist Soviet Republics (USSR) under Vladimir Ilyich Lenin.


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