About what you said in the
General Tolkien Quiz Topic
The Minas Tirith in the
First Age belonged to the Elves. It was captured by Sauron and renamed Tol Sirion. Minas Tirith means
tower of guard, and it watched over Angband.
Minas Tirith in the
Third Age was originally named Minas Anor,
tower of the sun, but was renamed to
Minas Tirith do to the fact that they watched over Minas Morgul when the Witch King captured
Minas Ithil, and renamed it
Minas Morgul.