In 1985 , he was elected by his colleagues as the Senate President Pro Tem , the first Hispanic in Texas given this designation .
Truan served four two - year terms until he moved up to the Senate in 1977 .
In 1985 , Truan was elected by Truan 's colleagues as Senate Senate President Pro Tem , the first Hispanic in Texas given this designation .
Truan served four two - year terms until he moved up to the Senate in 1977 .