One great instance of this is the American Revolution influencing the French Revolution. They both share common traits such as:
a monarchy gone corrupt
a war between the monarchy and the civilians
the overthrowing of the monarchy
a time period of bad choices
a much more stable form of society
With this being said, couldn't we say that we could copy and paste either on to the other, change some names around, and it'd be the same thing? Well no, we could not at all. They both share general events, but in no way completely identical. The Americans fought for freedom because they felt that a ruler, who has never seen the colonies in person, could not be fit to run them properly, while the French believed that the monarchy was spending too much money on personal things than on their people. The Americans fought their war using the help of mercenaries and natives who happen to want to see the British lose a hand on their growing empire, while the French did it on their own with the help of people who had right ideas. Then their's Maximilien de Robenspierre, the articles of confederations, Napoleon Bonaparte, and all the things that were completely different that the French had done and the Americans didn't, and vice versa. So while they are the same tune, they told different stories within their grand tale.
However you slice this, there are truly no new tales to be told or written because someone has beaten another to it, but that does not mean there is no way to tell a tale that is more memorable than the other,such as the case is for Dracula and Nosferatu, or they could be both be as equally memorable, but for different reasons, such as the French Revolution and the American Revolution.