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.
Zechariah 14:16
Surrounding context
14:15 Such also shall be the plague On the horse and the mule, On the camel and the donkey, And on all the cattle that will be in those camps. So shall this plague be.
14:16 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.
14:17 And it shall be that whichever of the families of the earth do not come up to Jerusalem to worship the King, the LORD of hosts, on them there will be no rain.