If it had been contained earlier, millions of lives and jobs might have been saved.

If this Russian leader had trusted his doctors in 1953, he might have lived longer.

If this Macedonian hadn’t died at such a young age, he could have expanded his empire even further.

If he had listened to the warnings, he wouldn’t have been stabbed in the Senate.

If this Austrian had been accepted into art school, history might have been very different.

If he had won at Waterloo, he might have rebuilt his empire.

If he had avoided Jerusalem that week, he might not have been executed.

If he had not travelled through Dallas that day, his presidency might have changed the course of American history even further.

If he hadn’t died so young in a car crash, this Valencian could have become one of the biggest voices in Spanish-speaking music.

If this musician / political activist hadn’t signed autographs outside his New York apartment, he might not have been shot.

If this Los Angeles resident had travelled by car and not helicopter that morning, he might still be alive today.

If he hadn’t formed alliances with local enemies of the Aztecs, he might never have conquered the empire.

If this scientist hadn’t travelled on the ship "the Beagle" to the Galapagos islands, he might never have developed his enormously important theory.