Storming of the Bastille - July 14, 1789, French peasants attack the Bastille which is a famous French prison that also held arms, the date of the storming is celebrated in France today
Reign of Terror - once Louis XVI had been chased off the throne and a new republic established, the republic became bloodthirsty in its desire to protect its rule. Thousands were executed (mostly using the guillotine) including Louis XVI and his wife Marie Antoinette.
Ended the absolute monarchy of Louis XVI
Led to rise of Napoleon as emperor (dictator of France)