Pt. II of the Sauron during the 2nd Age series.
The Indifferent Gods
Was the Ainur's "abandonment" of Middle-earth foretold in their music?
Sauron: Second Age (Pt. I)
Where did Sauron come from and what was he doing during the Second Age?
Elros
Who was Elros and why did he matter? What's he got to do with Elrond or with Aragorn?
The Height of Moria’s Glory
What led to Moria becoming such a powerful city for the Dwarves? When did it reach the height of its power? When was its eventual downfall?
The Foundation of Númenor and the Establishment of the Dúnedain
Where was Númenor? Who were the Dúnedain and why were they so powerful?
The Grey Havens
When were the Grey Havens established, and by whom? What were they used for?
The Start of the Second Age
When and how did the Second Age of Middle-earth begin? What's a Morgoth? And what does Randy have to do with anything?
Second Age Exploratory Series: Intro
A series exploring the events and known information concerning the Second Age of Tolkien's Middle-earth prior to the release of Amazon's TV series.
Tolkien Recommended Reading
A listing of Tolkien's works and where they all fit together, with some guidance on reading-order.