Dual revolution Louis Blanc, Pierre Joseph Proudhon, and Karl Marx who attempted to come up with ideas for “utopias”, conservative and socialist societies. The French Revolution began in 1789 with the Tennis Court Oath, by which the members of the third estate, who had been locked out of the meeting the estates general, gathered together and swore not to disband until they had written a new constitution. Inspired by the ideas of Enlightenment Philosophers, most prominently Rousseau and his social contract, the National assembly, those who had sworn the tennis court oath, published the Declaration of the Rights of Man and Citizen.
Gibbon's Tennis Court in 1809. The London School of Economics, which covers most of Clare Market nowadays, retains some squash and real tennis courts in its older buildings. Tudor-style real tennis courts were long, high-ceiling buildings, with galleries for spectators; their dimensions — about 75 by 30 feet — are similar to the earlier theatres, and much larger than a modern tennis court. The tennis courts were not used exclusively for tennis. In 1653, seven years before it saw lawful use as a theatre, an underground production of Killigrew's "Claricilla" was planned for Gibbon's court. The production was broken up before it debuted,