Funny, although we are all making use of this "event" to comment on this topic, only a few people have mentioned computers and the internet. I'd say that duo has been the number one invention ("event"-ion) that has shaped the 20th century. At 08:34 PM 1/30/99 -0600, you wrote: >The machine gun and anti-biotics - The power to take life and the power to give >life. >Both were associated with world wars. >Greg Koos > > **************************** Mary W. Elings Pictorial Archivist The Bancroft Library University of California [log in to unmask]