 In 1839 a commission appointed by Texas President Mirabeau B. Lamar selected Waterloo as the site for the new capital and the name "Austin" was chosen as the town's new name.In 1840 a series of conflicts between the Texas Rangers and the Comanches known as the Council House Fight and the Battle of Plum Creek finally pushed the Comanches westward mostly ending conflicts in Central Texas.Settlement in the area began to expand quickly.