Final answer:
The missing word to complete the sentence about Hebrews is 'Exodus', referring to the significant event of their liberation and migration from Egypt under Moses's leadership.
Step-by-step explanation:
The correct answer to fill in the blank in the given question is: Hebrews - Exodus. The historical event of the Exodus refers to the mass migration of Hebrews out of Egypt under the leadership of Moses, as recorded in the Hebrew Bible. This period in Hebrew history is significant because it marks their liberation from chattel slavery in Egypt and their journey back to Canaan, which would become the land of Israel. This event is commemorated during the Jewish holiday of Passover, where the story of the Exodus and their freedom from oppression in Egypt is retold.