Good Riddles

Question: A mirror for the famous, but informative to all.
I'll show you the world, but it may be a bit small.

What I am?

Question: Timmy's mother has three children. The first was named April. The next was named May.

What is the final one's name?

Question: Before man discovered Mt. Everest, what was the tallest mountain in the world?

Question: Queens can move horizontally, vertically and diagonally any number of spaces as illustrated. One piece 'attacks' another if it moves to the same tile that the other piece is on. How can you arrange eight queens on the board so they cannot attack each other?

Question: Thirty men and only two women, but they hold the most power.
Dressed in black and white, they could fight for hours.

Who are they?