He created the kingdom of camelot in which all knights were equal.
First of he died stabbed. One of his "friends" Brutus helped stab him I believe he was stabbed 32 or 36 times. His last words were to Brutus and they were"u too? His death lead to an empire because his nehpew was next in reign. Augustus made the empire.
it was the first to space, a race between Russia and America. Russia won. They're really was no significance of winning expect bragging rights