The people begged Samuel the prophet to get a king, even though they have been warned by God that a king will do many bad things. Samuel chose Saul and anointed him. Saul was very famous with the people but disobeyed God a few times.
So God sent Samuel to anoint David, the chosen one, to be KIng. After killing Goliath, a philistine, King Saul made him General. Soon, King Saul got jealous and tried to kill David. David exiled to Egypt. King Saul died in the battle with the Philistines.
As David came back to Israel and become King. His army defeated the Philistines and united the 12 tribes. He established the capital city for Israel called Jerusalem.
A fine musician and poet, he wrote many sacred songs in the Hebrew bible which is known as the Psalms and also found in the Christian Bible. After KIng David's death, the Israelites have honored him with respect, even today.
King Solomon was the next king of Israel and did many good things. He built the very first temple and brought a long period of peace.
He was a very wise king and wrote the proverbs, and bunch of wise sayings. Despite all of this, the people didn't like him. He taxed the people too much. After Solomon's death, Israel became vulnerable at all times because the split of Judah and the powerful empires.