The first mass killings of the Romanian Holocaust in late June to early July 1941 brutally claimed thousands of victims and marked the beginning of the government's plan to "cleanse the land" of Jews. Moreover, of all the Third Reich's allies, only Romania undertook its genocide campaign without the intervention of Himmler's SS. In The Origins and Onset of the Romanian Holocaust, author Henry Eaton traces the historical path to this tragedy by examining both Romania's antisemitic history and looking at the initial mass killings in detail.

First, Eaton traces the roots of the...