'Unleavened Bread' in the Bible

Now the first day of the feast of unleavened bread, the disciples came to Jesus, and said, where would you have us make the preparations for the paschal-supper?

Within two days was the feast of the passover, and of unleavened bread. and the chief priests, with the Scribes, contriv'd how they might seize Jesus by surprize, and put him to death.

On the first day of unleavened bread, when the paschal lamb is kill'd, his disciples said to him, where would you have us go and prepare for your eating the paschal lamb?

and perceiving that the Jews were pleas'd with this, he proceeded to secure Peter during the feast of unleavened bread: