1 Kings 22:2

In the third year Jehoshaphat king of Judah came down to the king of Israel.

1 Kings 15:24

Asa slept with his fathers [in death] and was buried with his fathers in the city of his father David. Jehoshaphat his son reigned in his place.

1 Kings 22:1

Aram (Syria) and Israel continued without war for three years.

1 Kings 22:41

Now Jehoshaphat the son of Asa became king over Judah in the fourth year of Ahab king of Israel.

1 Kings 22:44

Jehoshaphat also made peace with the king of Israel.

2 Kings 8:18

He walked in the ways of the kings of Israel, just as the house of Ahab had done, for [Athaliah] the daughter of Ahab became his wife. He did evil in the sight of the Lord.

2 Chronicles 18:1-27

Now Jehoshaphat had great wealth and honor, and was allied by marriage with Ahab.

Matthew 12:40

for just as Jonah was three days and three nights in the belly of the sea monster, so will the Son of Man be three days and three nights in the heart of the earth.

Matthew 16:21

From that time on Jesus began to show His disciples [clearly] that He must go to Jerusalem, and endure many things at the hands of the elders and the chief priests and scribes (Sanhedrin, Jewish High Court), and be killed, and be raised [from death to life] on the third day.

Treasury of Scripture Knowledge

Summary

And it came to pass in the third year, that Jehoshaphat the king of Judah came down to the king of Israel.

Bible References

In the third

1 Kings 22:1
Aram (Syria) and Israel continued without war for three years.
Matthew 12:40
for just as Jonah was three days and three nights in the belly of the sea monster, so will the Son of Man be three days and three nights in the heart of the earth.
Matthew 16:21
From that time on Jesus began to show His disciples [clearly] that He must go to Jerusalem, and endure many things at the hands of the elders and the chief priests and scribes (Sanhedrin, Jewish High Court), and be killed, and be raised [from death to life] on the third day.

Jehoshaphat

1 Kings 22:41
Now Jehoshaphat the son of Asa became king over Judah in the fourth year of Ahab king of Israel.
1 Kings 15:24
Asa slept with his fathers [in death] and was buried with his fathers in the city of his father David. Jehoshaphat his son reigned in his place.
2 Kings 8:18
He walked in the ways of the kings of Israel, just as the house of Ahab had done, for [Athaliah] the daughter of Ahab became his wife. He did evil in the sight of the Lord.
2 Chronicles 18:1
Now Jehoshaphat had great wealth and honor, and was allied by marriage with Ahab.