5h 31min, jun 17, 1789 y - National Assembly decleration
Description:
 The third estate declared that it was national assembly since it represented the majority of the nation. They decided the national assembly would assume control over their own affairs and decide taxation. On 19th June the clergy voted to join them posing a direct challenge to the king. 
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Date:
5h 31min, jun 17, 1789 y
Now
 ~ 236 years ago