Since the First and Second Estates would not listen, The Third Estate decided to break away and start their own assembly where every member would get a vote. On 10 June 1789, they started the National Assembly. The king tried to stop them by closing the Salle des États meeting room, but they met in an indoor tennis court instead. On June 20, they took the Tennis Court Oath, where they promised to work until they had created a new constitution for France.