OK, forgive me if this has been already mentioned. This was posted some years ago:
Isaiah’s Prophecy – Light for all Mankind Volume I; page 253 paragraph 21:
Isaiah goes on to prophesy: “It must occur in that day that Tyre must be forgotten seventy years, the same as the days of one king.” (Isaiah 23:15a) Following the destruction of the mainland city by the Babylonians, the island-city of Tyre will “be forgotten.” True to the prophecy, for the duration of “one king” – the Babylonian Empire – the island-city of Tyre will not be an important financial power. Jehovah, through Jeremiah, includes Tyre among the nations that will be singled out to drink the wine of His rage. He says: “These nations will have to serve the king of Babylon seventy years.” (Jeremiah 25:8-17,22,27) True the island-city of Tyre is not subject to Babylon for a full 70 years, since the Babylonian empire falls in 539 B.C.E. Evidently, the 70 years represents the period of Babylonia’s greatest domination – when the Babylonian royal dynasty boasts of having lifted its throne even above “the stars of God.” (Isaiah 14:13) Different nations come under that domination at different times. But at the end of 70 years, that domination will crumble. What will then happen to Tyre?
The Society does NOT take the seventy years of judgment against Tyre as being literal. Their interpretation is that the seventy years applied to Tyre is FIGURATIVE – it stands “ROUGHLY” as the time of Babylon’s greatest domination.
Now as regards Tyre, no it never fell to Babylon.
Post from old thread:
There was no such city as "mainland Tyre". The nearby city on the Lebanese coast was instead called Hosah in the Bible and Osa and Ushu in Egyptian and Akkadian inscriptions. These were suburbs of Tyre but were not called Tyre; Ezekiel in fact called the mainland suburbs "Tyre's daughters" (Ezekiel 26:6, 8, "settlements on the mainland" in the NIV), not Tyre itself. Tyre was an island city and was described repeatedly as such by Ezekiel, who described it as "in the midst of the sea" (26:5), "powerful in the sea" (26:17), as having its borders "in the heart of the seas" (27:4), as being like a ship in the sea (27:27-34), and whose king declares himself as "surrounded by seas" (28:2).
The city that Ezekiel describes as razed and thrown into the sea was island Tyre, an event that would leave the island as bare as a shiny rock. This was not a mainland city and Ezekiel did not refer to Hosah as "Tyre" but as "her daughters on the mainland" (which were already destroyed in v. 8 before Nebuchadnezzar then besieges Tyre itself in v. 9-14).
That the Babylonian siege of Tyre was unsuccessful even Ezekiel (apparently in later reflection) reports: Ezekiel 29:18,19
18"Son of man, Nebuchadnezzar king of Babylon caused his army to serve a hard service against Tyre: every head was made bald and every shoulder was peeled; yet had he no wages, nor his army, from Tyre for the service that he had served against it. 19 Therefore thus saith the Lord GOD: Behold, I will give the land of Egypt unto Nebuchadnezzar king of Babylon; and he shall take her multitude, and take her spoil, and take her prey; and it shall be the wages for his army. 20 I have given him the land of Egypt for his labor for which he served against it, because they wrought for Me, saith the Lord GOD
BTW...It probably looked that Babylon would conquer Egypt and it did invade around the time Ezekiel said those words. But they failed. So Ezekiel is 0 for 2.