In the eleventh year, on the seventh day of the first month, the word of the LORD came to me, saying,
This short prophecy of the weakening of the power of Egypt was delivered about the time that the army of the Egyptians, which attempted to raise the siege of Jerusalem, was frustrated in its enterprises, and returned re infect - without accomplishing their purpose; whereupon the king of Babylon renewed the siege and carried his point. The kingdom of Egypt was very ancient, and had been for many ages considerable.
Commenting on Ezekiel 30:20-26
And it came to pass in the eleventh year,.... Of Zedekiah's reign, and Jehoiachin's captivity; some little time after the prophecy in Eze 19:1, here the prophecies come into their order again, being interrupted by those of a much later date, at the end of the preceding chapter, and the former part of this: in the first month, in the seventh day of the month...
Here begins the earlier vision, not long after that in the twenty-ninth chapter, about three months before the taking of Jerusalem, as to Pharaoh and his kingdom.