Knight Rainbow Dash

Seeing Rainbow Dash in medieval-style armor made me imagine what Equestria would be if it went through a similar time period centuries before the events of FiM. In it, a brave and loyal pegasus (Rainbow Dash's ancestor in that time) would embark on a path to become the best knight in the land and defend the princess she bowed to with valor and honor.

She'd battle hordes of enemies by herself or lead armies to war and gain enough of a reputation for songs to be sung about her. And if Rainbow Dash knew about her in the present day, she would most definitely brag about it.