Video: 'Monica Seles Interview (April 17 2009)'

(Friday, April 30, 1993) — Top-ranked women’s tennis player Monica Seles was stabbed in the back today during a match in Hamburg, Germany, by a man who described himself as a fan of second-ranked German player Steffi Graf. The man, convicted of causing grievous bodily harm, was given a suspended sentence.

Video: 'The Louisiana Purchase in a Nutshell'

(Saturday, April 30, 1803) — On the authorization of President Thomas Jefferson, the United States purchased the Louisiana Territory from France today for 60 million francs, the equivalent of about $15 million, by signing the Louisiana Purchase Treaty in Paris. The move doubled the size of the U.S., adding 828,000 square miles to American territory.