Original: The state was formed in 1988 out of the northern part of Goiás , and construction began on the capital , Palmas , in 1989 , in contrast to most of the other cities in the state which date back to the Portuguese colonial period .
Simplified: The state was made in 1988 out of the northern part of Goiás , and construction began on the capital , Palmas , in 1989 .