Keeping The Feast of Tabernacles.  Zechariah 14:16-20 And it shall come to pass that everyone who is left of all the nations which came against Jerusalem shall go up from year to year to worship the King, the Lord of hosts, and to keep the Feast of Tabernacles. And...

Feast of Unleavened Bread.  Exodus 13:6-8 Seven days you shall eat unleavened bread, and on the seventh day there shall be a feast to the Lord.  Unleavened bread shall be eaten seven days. And no leavened bread shall be seen among you, nor shall leaven be seen among you in...