The first text message ever sent read 'Merry Christmas' and was sent on December 3, 1992.

Economist Arthur Laffer famously sketched the Laffer Curve on a napkin during a dinner meeting in the 1970s.

Particles can exist in multiple states until observed.

Usain Bolt holds the world record in the 100-meter sprint.

The Dust Bowl of the 1930s caused severe agricultural damage in the United States.

The first modern Olympic Games were held in Athens in 1896 with 14 nations participating.

Synchronized swimming, now called artistic swimming, requires athletes to hold their breath for up to 3 minutes while performing choreography.

The CIA's Operation Ajax helped orchestrate a coup in Iran in 1953.

Particles can exist in multiple states until observed.