‏ Acts 12:4

4After the arrest, he put him in prison and assigned four squads of four soldiers each to guard him, intending to bring him out to the people after the
Passover: The Israelite festival celebrated on the fourteenth day of the first month in the early spring. It was a celebration of the deliverance of the Israelites from Egypt, commemorating the final plague on Egypt when the firstborn were killed.
Passover.
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