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
“Gangnam Style” dance craze took over the world
The first new US military branch in 70 years was established
President Bill Clinton was impeached
Donald Trump became the third US president impeached by the House
