Passover Is the World's Oldest Holiday

Passover is the world's oldest holiday and commemorates a single event. It celebrates the jews exodus from egypt in approximately 12 hundred b c or b c e, as many academics now refer to it. For the first time in history, the primary religious book of civilization went on record as identifying its god with liberating slaves. But didn't that book allow some forms of slavery? Yes it did, but with the exception of captives in war time, it did not allow sla very as we understand the term.