To acknowledge a sense of history in a dream suggests you are linking with the past and past aspects of our personality.
It may be that you are looking back and assessing the person that you may have been, and that can either be a positive or negative thing.
To dream of historical events in your own life can be a way to reflect on your thought and feelings from your earlier life, to compare your aspiration from way back with how you are living now.
You may be wondering about you place in life and the universe if you dream of historical events from hundreds of years ago.
Time travel dreams to historical events can reflect a need for discovery and exploration.