Is considered the "father of history."
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Herodotus

Explanation:

Herodotus of Halicarnassus was a Greek historian and geographer who lived between 484 and 425 BC. C., traditionally considered as the father of History in the western world and was the first to compose a reasoned and structured account of human actions.

He devoted part of his life to travel to obtain the information and materials that allowed him to write a work of great historical and literary value. However, he received severe criticism, including from his contemporaries, for including in his work anecdotes and digressions that, although they provided valuable information, had little to do with the object of study that had been proposed: the Persian struggles against Greeks

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.

the deaths of over a million communist soldiers

post-traumatic stress disorder in veterans