The only objects of practical reason are therefore those of good and evil. For by the former is meant an object necessarily desired according to a principle of reason; by the latter one necessarily shunned, also according to a principle of reason.
Desired
In a very literal way, of course, Shakespeare did change the course of history: when it didn’t fit the plot he had in mind, he simply rewrote it. His English histories play fast and loose with chronology and fact to achieve the desired dramatic effect, re-ordering history even as it was then understood.