The Temple in Jerusalem
Solomon's most significant achievement, as the biblical narrative records it, was the building of the First Temple in Jerusalem. David had gathered materials for the temple as a permanent dwelling for the Ark of the Covenant, and Solomon brought the work to completion with the help of an architect sent by the Phoenician king Hiram I of Tyre.
The Temple stood at the center of a larger program of construction. Solomon raised an extensive royal palace complex in Jerusalem over a period of thirteen years, founded colonies that doubled as trading posts and outposts, and strengthened cities including Hazor, Megiddo, and Gezer. His reign was marked by great wealth, including annual tribute of gold, and by a profitable trading relationship with Tyre that sent joint expeditions to Tarshish and Ophir for luxury goods.