1902
ID: 367
Bertrand Russell discovers Russell's Paradox in Frege's system, creating a crisis in the foundations of mathematics
ID: 367
1902
ID: 1151
Major foot-and-mouth epidemic traced to contaminated cowpox vaccine - 244 herds infected, 3,872 cattle slaughtered
ID: 1151
1902
ID: 1152
St. Pio of Pietrelcina enters Capuchins - already experiencing diabolic attacks, guardian angel visible
ID: 1152
1902
ID: 4472
Dalton Adding Machine Company founded - produces first truly portable 10-key adding machines
ID: 4472
1902
ID: 386
June 16, 1902
Russell writes to Frege informing him of the paradox in his logical system, devastating Frege's logicist program
ID: 386