Complex sentence: In the year 1941 on Yom Kippur, the rabbi's valuable library was destroyed by local pro-Nazi fascists and all the synagogues in the city were robbed of their valuables.
Split into simpler sentences: In the year 1941 on Yom Kippur, the rabbi's valuable library was destroyed by local pro-Nazi fascists. All the synagogues in the city were robbed of their valuables.