New Revised Standard Version
From that day Tyre will be forgotten for seventy years, the lifetime of one king. At the end of seventy years, it will happen to Tyre as in the song about the prostitute:

Contemporary English Version
The city of Tyre will be forgotten for 70 years, which is the lifetime of a king. Then Tyre will be like that evil woman in the song:

New American Bible
On that day, Tyre shall be forgotten for seventy years, the lifetime of one king. At the end of seventy years, the song about the prostitute will be Tyre’s song:

Douay-Rheims Bible
And it shall come to pass in that day that thou, O Tyre, shalt be forgotten, seventy years, according to the days of one king: but after seventy years, there shall be unto Tyre as the song of a harlot.

And it shall come to pass in that day that thou, O Tyre, shalt be forgotten, seventy years, according to the days of one king: but after seventy years, there shall be unto Tyre as the song of a harlot.

Tyre shall

Jeremiah 25:9-11,22 Behold I will send, and take all the kindreds of the north, saith the Lord, and Nabuchodonosor the king of Babylon my servant: and I will bring them against this land, and against the inhabitants thereof, and against all the nations that are round about it: and I will destroy them, and make them an astonishment and a hissing, and perpetual desolations. . . .

Jeremiah 27:3-7 And thou shalt send them to the king of Edom, and to the king of Moab, and to the king of the children of Ammon, and to the king of Tyre, and to the king of Sidon: by the hand of the messengers that are come to Jerusalem to Sedecias the king of Juda. . . .

Jeremiah 29:10 For thus saith the Lord: When the seventy years shall begin to be accomplished in Babylon, I will visit you: and I will perform my good word in your favour, to bring you again to this place.

Ezekiel 29:11 The foot of man shall not pass through it, neither shall the foot of beasts go through it: nor shall it be inhabited during forty years.

one king

Daniel 7:14 And he gave him power, and glory, and a kingdom: and all peoples, tribes, and tongues shall serve him: his power is an everlasting power that shall not be taken away: and his kingdom that shall not be destroyed.

Daniel 8:21 And the he goat, is the king of the Greeks, and the great horn that was between his eyes, the same is the first king.

Revelation 17:10 Five are fallen, one is, and the other is not yet come: and when he is come, he must remain a short time.

shall Tyre sing as an harlot.

Ezekiel 27:25 The ships of the sea, were thy chief in thy merchandise: and thou wast replenished, and glorified exceedingly in the heart of the sea.

Hosea 2:15 And I will give her vinedressers out of the same place, and the valley of Achor for an opening of hope: and she shall sing there according to the days of her youth, and according to the days of her coming up out of the land of Egypt.