Ukraine commemorated the 83rd anniversary of the Babyn Yar tragedy on Sept. 29, with President Volodymyr Zelensky saying that it is a “terrifying symbol” of what can happen when the world “lacks the determination to stand up against evil.” The Babyn Yar tragedy was a mass murder of nearly 34,000 Jews by Nazi forces over two days in September 1941, near Kyiv, as part of the Holocaust. Estimates put the total death toll, which also includes Soviet prisoners of war and the Romani people, at over 100,000. “Babyn Yar is a vivid proof of the savagery that regimes led by leaders who rely on intimidat…