Before October 7, 2023, there was August 24, 1929. On that date in 1929, “3,000 Muslim men armed with swords, axes, and daggers marched through the Jewish quarter of Hebron,” writes Yardena Schwartz. Before the day was over, the streets of the ancient city in British Mandate Palestine ran red with blood; 67 Jewish men, women, and children were murdered, and the rest of the 800-strong Jewish community fled. In her new book, “Ghosts of a Holy War: The 1929 Massacre in Palestine That Ignited the Arab-Israeli Conflict,” Schwartz examines the day’s violence in forensic detail and argues that the...