Before watching this video, watch The Old Forest (https://www.youtube.com/watch?v=Y1ODkwQ-lnY) and Tom Bombadil (https://www.youtube.com/watch?v=IKfG0vP_INs) for some context.    

You might also be interested in this video on the history of the North Kingdom of Arnor: https://www.youtube.com/watch?v=6t0zfrkinqc  

For the events before Frodo enters the Old Forest, check our this video: https://youtu.be/-jTXY8I5wAY