Understanding the war in Ukraine…Infiltration rather than invasion, throughout history…
The Khazars’s Empire, at its height between the 8th and 10th centuries, extended from the northern shores of the Black Sea and the Caspian Sea as far west as Kiev. Jewish refugees from the Byzantium, Persia and Mesopotamia regions — fleeing from persecution by Christians throughout Europe, settled in the Kingdom because the Khazars allowed them to practice their own religion.
Over time, Jews integrated into the society and married Khazar inhabitants. At first, Khazars from royal families converted to Judaism. But other citizen from throughout the Kingdom soon followed suit, adopting Jewish religious practices including reading the Torah
….sometime in the eighth to ninth centuries, the Khazars ruled over a vast domain in what became southern Russia and Ukraine. What happened to them after the Russians destroyed that empire around the eleventh century has been a mystery. Many have speculated that the Khazars became the ancestors of Ashkenazi Jews.
Arabs have long cited the Khazar hypothesis in attempts to deny a Jewish historical claim to the land of Israel. During the UN debate over Palestine Partition, Chaim Weizmann responded, sarcastically: “lt is very strange. All my life I have been a Jew, felt like a Jew, and I now learn that I am a Khazar.
https://www.palestineremembered.com/Acre/Maps/Story800.html