Aragorn had an interesting life long before the events of The Lord of the Rings.  In this video I give a brief biography of this major character, including events both before and after the story we all know.  

Video on the Kingdom of Arnor: https://www.youtube.com/watch?v=6t0zfrkinqc  

On the Ring of Barahir: https://www.youtube.com/watch?v=yKFQSB-OCrw  

My personal fan theory about Aragorn: https://www.youtube.com/watch?v=oUPVcdWYNaE  

More on the Palantiri and how they relate to the kings of Gondor and Arnor: https://www.youtube.com/watch?v=SkQnucKhbUY  

Aragorn is also one of the characters I discuss in 5 Characters Ruined by Peter Jackson: https://www.youtube.com/watch?v=hmFm9GLofw4