Not so. the Jews of the Northern kingdom and those of the southern kingdom were intertwined.
Per the Jewish historian Josephus, the northern ten tribes did not call themselves Jews. Instead, that's the title those of the southern
"kingdom of Judah" went by. So you are adding... to Scripture by claiming they were all Jews.
Per 2 Chronicles 11:12-17, only a small remnant of the northern ten tribes left the north and joined with the "house of Judah" in the southern kingdom. That small remnant left because of Jeroboam whom God gave to be king over the ten northern tribes, setup calf idol worship in the north. Jeroboam of the tribe of Ephraim also setup common priests of the people among the northern ten tribes, so the Levites in the north left also and joined with the
"kingdom of Judah."
Would you stay in a state such as that or would you move to where others thought the same as you...............as far as the prophecy, has it been fulfilled.......NOT yet.....while it did start in 1948, for until then, there was no state of Israel at all in the world.....and until the mid section of Daniel's 70th week where the final remnant of Israel will be saved and all the test of Israel 2/3 of their population will die. Rev 12.
God's Word does not agree with you about 1948 being the restoration of Israel, because as I have already shown from Ezekiel 37, and what Jesus said about inheriting His earthly throne in Matthew 25, the restoration MUST INCLUDE A KING at Jerusalem, His Name is Jesus Christ.
So if you be Christian, you are not supposed to be deceived by today's 'unbelieving' Jews trekking back to the holy land as meaning the restoration of the KINGDOM of Israel. Notice I said Kingdom of Israel, and NOT the 'nation'. The word 'kingdom' means 'a king and his dominion'. So where is ISRAEL's king in today's nation in the middle east?
I recommend you study Jeremiah 24 about the two baskets of figs that God showed Jeremiah by vision. One basket represents Judah (the Jews), and other basket represents the false-Jews of the
"synagogue of Satan" that would return to Jerusalem with them.
THAT... is the prophecy that has been being fulfilled since 1948. This is happening today because it is in prep for the basket of evil figs to take over that dwells among the true Jews in today's Jerusalem. The evil basket, the
"synagogue of Satan" who only say... they are Jews, but lie and are not, will prepare the world for the coming false-Messiah they will setup as 'their' king to mimic our Lord Jesus' coming.
Jer 24:5-8
5 Thus saith the LORD, the God of Israel; Like these good figs, so will I acknowledge them that are carried away captive of Judah, whom I have sent out of this place into the land of the Chaldeans for their good.
When the 3-tribe
"house of Judah" went into captivity to Babylon by Nebuchadnezzar, king of Babylon, the strangers living in Judea who also took the name Jew went captive to Babylon with them, and returned with the small remnant of true Jews after that captivity. The Books of Ezra and Nehemiah even mentions how some of those foreigners returning had crept into the priesthood. Ezra even noticed when the Jews were returning to Jerusalem, that none of the sons of Levi were among them, so he sent the head Nethinim back to Babylon to bring Levite priests needed for temple service in the new 2nd temple the Jews would build.
The Nethinims were bondservants not born of the seed of Israel. They were temple servants, helpers for the Levites. The Kenites, a foreign people of the land of Canaan per Gen.15, were already dwelling among the Jews as scribes to keep the letters of God's Word (1 Chronicles 2:55). Those foreigners having crept in, represent that basket of evil figs that God said would return along with the good basket Judah. That is who are there today in the nation of Israel.
6 For I will set mine eyes upon them for good, and I will bring them again to this land: and I will build them, and not pull them down; and I will plant them, and not pluck them up.
The above phrases in red are very important. It means when God brings these two baskets of figs back to Jerusalem-Judea, that He would remove them no more. When was the last time the Jews in Jerusalem-Judea were scattered through the nations? At the Diaspora, in 70 A.D. when the Romans destroyed Jerusalem and the 2nd temple. Since that time, only a small remnant of Jews had been living in Jerusalem along with Muslims. God promised that leaving
"one tribe" of Israel at Jerusalem too for the Jews, in 1 Kings 11.
But as of today, that above Jer.24:6 verse is still in effect for the Jews in today's Jerusalem, that is IF... God does not scatter them again through the nations. Thus 1948 is represented by this Jeremiah 24 return of only... Jews of the
"house of Judah", and NOT the larger group of Israelites that lost their heritage as Israel, known as the
ten tribe "house of Israel."
7 And I will give them an heart to know Me, that I am the LORD: and they shall be My people, and I will be their God: for they shall return unto Me with their whole heart.
And so it is with the remnant of devout orthodox Jews in today's nation of Israel. They still reject Lord Jesus though, and that won't change until they see Lord Jesus coming in the clouds.
8 And as the evil figs, which cannot be eaten, they are so evil; surely thus saith the LORD, So will I give Zedekiah the king of Judah, and his princes, and the residue of Jerusalem, that remain in this land, and them that dwell in the land of Egypt:
KJV
Zedekiah was the last king of the
"house of Judah", of the house of David at Jerusalem. Nebuchadnezzar killed all his son heirs, and took him captive in chains to Babylon where he died. The basket of evil figs, pagans had crept in among Israel, especially within the tribe of Judah as the
"synagogue of Satan". (note the foreigner scribes were with the Pharisees that wanted Jesus murdered.) These evil figs would dwell there in Jerusalem with true Judah, even to this day. They will not be cast out until Jesus returns, which is written in Zechariah 14.