Henri Léon Lebesgue, French mathematician who made major contributions in analysis, topology, potential theory, and Fourier analysis, dies 

Joseph Caillaux forms govt in France 

First French air show, Concours dAvation opens 

Nationals steal a record 13 bases off catcher Branch Rickey 

Congress authorizes Louisiana Purchase Expo $1 gold coin 

US buys concession to build Panama canal from French for $40 million