And it should be noted, Marathon aside, that Persia won the Graeco-Persian Wars, that Rome only fell in the West and lasted in the East for another 1,000 years as a Christian state and into 1922 as a Muslim emirate, and Hiroshima and Nagasaki did less to end World War II than Operation August Storm and the annihilation of the Kwangtung Army.

Electricity was the only one that really did do everything it's been said to have done.