Because it marked the official start of the French revolution.
Explanation:
The Storming of the Bastille set off a series of events that led to the overthrow of King Louis XVI and the French Revolution. The success of the revolutionaries gave commoners throughout France the courage to rise up and fight against the nobles who had ruled them for so long.
A major event that did not occur during the first two and a half centuries of the Roman Empire was.... C. It's territories were expanded to its greatest size