Historians label an event as a turning point when it what

Historians label an event as a turning point when it causes a change that was not anticipated and that has deep repercussions in future events. A turning point is a moment in history in which a particular act alters the future in a significant, unpredictable way. For example, the publication of the Ninety-Five Theses by Martin Luther is considered a turning point in history because this single act significantly weakened the most powerful entity in the world (the Catholic Church) in a way that was not anticipated. Moreover, the consequences of this act in the form of the Reformation were enormous.

explanation:

hitler's  "rise" can be considered to have ended in march 1933, after the reichstag adopted the enabling act of 1933 in that month. president paul von hindenburg had already appointedhitler  as chancellor on 30 january 1933 after a series of parliamentary elections and associated backroom intrigues.

these civilizations were located around fertile rivers, where they could produce an abundance of crops