20th Century Philosophy: Parachute overview of essential thought in Twentieth Century.
Hegelianism in the Twentieth Century: Brief review of influence of Hegel in this century, by Mario Rossi.
Philosophy's Twentieth Century: A Revolutionary Path: Article by Charles Travis in the Michigan Philosophy News.
Review of Mind, Meaning and Mathematics: Review by Jaroslav Peregrin of this collection of essays on Frege and Husserl, and the role it can play in helping us understand the origins of 20th century thought.
Xocxoc's Irreverent Guide to Philosophy: Greatest BS of the Twentieth Century: Includes articles such as Whither Philosophy? and The Fatal Flaw of Humanism.