Thus far, in my articles and my 2023 book, The Word Set in Stone: How Archaeology, Science, and History Back Up the Bible, I have documented I provide extrabiblical documentation for ten kings of Judah & Israel, adding to my 15 previous similar efforts, for a total of 25 out of 42, or 60% "outside" verification.
The Assyrians are well known for their vast ancient empire in the Middle East; ancient cities, such as Nimrud and Nineveh; and their fierce invasions, including into the Kingdom of Judah and Egypt.