Centennial For Olympia In 1853 Governor Isaac Stevens proclaimed Olympia the Territorial capital, and the first Washington Territorial legislature met here in 1854. Today, Thurston County, in addition to having the seat of government at Olympia, bases its economy on wood products manufacturing, dairying and poultry raising. The Port of Olympia continues to grow in importance as an exporter of wood products. In 1950 they held a 100 year Centennial for Olympia, Washington where a parade was the order of the day. Covered wagons, men and women dressed in attire of the 1800's. Horses pulling stage coaches and wagons. Olympia crowned senior citizens as king and queen of the Centennial festival.