Scientists decoded ancient clues about our solar system’s origins
Millions of American slaves were declared free
Reports of an illness signaled the start of a worldwide emergency
Saddam Hussein was executed for his crimes
Khmer Rouge leaders issued an apology for genocidal crimes in Cambodia
Nixon signed a landmark Endangered Species Act into law
Charles Darwin started a voyage that changed the perception of life on this planet
Holidays were interrupted by one of the deadliest natural disasters in history
As many as two billion people started celebrating Christmas
The USSR entered a war it couldn’t escape
The final revolutionary act of the Revolutionary War
A terrorist attempt was thwarted and airport security changed forever
