At the time of King Solomon's death, the people approached his successor, Rechav'am (Rehoboam) and asked him to ease up on their tax burden. When he refused, they broke away under their spokesman, Yerav'am (Jeroboam) and formed a separate kingdom composed of ten of the twelve tribes. Rechav'am was left with the two tribes of Judah and Benjamin. This state of affairs continued throughout the period of the Kings.
The kingdom was divided mainly because of Solomon's loss of favor with God. Specifically, Solomon's son Rehoboam was to be king after Solomon died, but a fellow named Jeroboam, with the backing of a great many Israelites, asked him what kind of king he would be (Solomon was known to have been somewhat oppressive). When Rehoboam indicated that he would be worse than Solomon, the kingdom was split between those who followed Jeroboam and those who remained loyal to Rehoboam.
King Solomon imposed taxes upon the people. As long as he was alive, they bore the taxes, because he built up the nation and constructed the Holy Temple. After he died, the people asked his son Rehoboam (Rehav'am) to lower the taxes. Rehav'am answered them with threats. This is what precipitated the split. 1 Kings ch.12.
The United Nations division plan for Palestine was described as a plan of partition with Economic Union. After the termination of British rule, would lead to the creation of the independent Arab and Jewish States
The biblical answer is that the Israelite king, Solomon had unwisely imposed swingeing taxes on the people. When his son Rehoboam refused to reduce the taxes, the Israelites rebelled under Jeroboam, broke away and formed their own kingdom, which managed to appropriate the name 'Israel' for their kingdom, leaving Rehoboam to choose the name 'Judah' for his kingdom.
Historians, supported by many archaeologists, say there never was a United Monarchy of Israel. They say that the northern kingdom had a different culture, different pottery and a different dialect of the Hebrew language, compared to Judah. Israel and Judah were different kingdoms because they had always been different.
The answer is explained here: http://en.wikipedia.org/wiki/Rehoboam
In about 926BC, Israel split into two kingdoms: Israel (in the north) and Judah (in the south)
After Solomon's death, Israel split into the two kingdoms of Judah and Israel. Israel now had ten tribes and Judah had two.
The south.
Israel and Judah.
Solomon's onerous taxes and his favoritism toward Judah, the southern part of the kingdom.
The two tribes, Judah and Benjamin, were collectively called Judah or Judea. See also:More about the split
You aren't; he was a king over Israel before it split into the two kingdoms of Judah and Israel
Nowadays, Israel is not divided into two kingdoms, but thousands of years ago, Israel was split into two kingdoms called "Yehuda" and "Israel". Both kingdoms were Jewish and both had their own ledership, but only one kingdom, "Yehuda", was oficially ruling the land of Israel and Jerusalem
Israel and Judah
After King Solomon's death, Israel separated into two Kingdoms - the Northern Kingdom of Israel which consisted primarily of 10 of the 12 tribes of Israel, and the Southern Kingdom of Judah which consisted primarily of tribe of Judah and Benjamin. It should be noted however, that each Kingdom had members of all 12 tribes of Israel.
Around 931 BC...Right after Solomon died, his son Rehoboam became king over Judah (Southern Kingdom), and Jeroboam became king over Israel (Northern Kingdom)
When the state was first established, the people who established it were strictly secularists, and there was a militant "rebellion against the past." The name "Judah" is a bit too ancient sounding, too archaic. Israel is ancient too, but it is nowhere near as archaic sounding. In the actual ancient times, when the unified Kingdom of David split into the northern Kingdom of Israel, and the southern Kingdom of Judah, the northern kingdom was renamed "Israel" to rebel against the rule of the tribe of Judah. The northern Israelites, had rejected Judaism in favor of pagan worship, religious split is what caused the division.