Mᵉgiddôwn

the king of Taanach, one; the king of Megiddo, one;

The first tagged occurrence in Joshua.

And Manasseh did not drive outthe inhabitants ofBeth-shean and its towns, norofTaanach and its towns, nor the inhabitants of Dor and its towns, nor the inhabitants of Ibleam and its towns, nor the inhabitants of Megiddo and its towns; but the Canaanites would dwell in that land.

The first tagged occurrence in Judges.

Baana the son of Ahilud, in Taanach and Megiddo, and all Beth-shean which is beside Zarethan, beneath Jezreel, from Beth-shean to Abel-meholah, as far as beyond Jokmeam;

The first tagged occurrence in 1 Kings.

But when Ahaziah the king of Judah saw this, he fled by the way of the garden-house. And Jehu followed after him, and said, Smite him also in the chariot: and they smote him at the ascent of Gur, which is by Ibleam. And he fled to Megiddo, and died there.

The first tagged occurrence in 2 Kings.

and by the borders of the children of Manasseh, Beth-shean and its towns, Taanach and its towns, Megiddo and its towns, Dor and its towns. In these dwelt the children of Joseph the son of Israel.

The first tagged occurrence in 1 Chronicles.

Nevertheless Josiah would not turn his face from him, but disguised himself, that he might fight with him, and hearkened not unto the words of Neco from the mouth of God, and came to fight in the valley of Megiddo.

The first tagged occurrence in 2 Chronicles.

In that day shall there be a great mourning in Jerusalem, as the mourning of Hadadrimmon in the valley of Megiddon.

The first tagged occurrence in Zechariah.