The third estate was underprivileged in the court. The apathy of the court and the manipulations led them to form a national assembly.
Since the court of Versailles was unavailable for their meeting, the third estate took up an indoor tennis stadium for their oath.
In this court, they pledged never to divide unless a constitution was established in France. Later, on June 27, the first, as well as the second estate, joined the national assembly.