Parade History: When Did We Start Doing This All The Time?

Confetti covers the crowd gathered for the Washington Nationals parade celebrating their World Series. (Getty Images)

The word "parade" usually evokes a feeling of excitement and celebration, the deep urge to celebrate a person, idea, or event above the everyday humdrum of life. How long parades have been going on depends on how you define them, but the simplest definition is "a procession of people," usually assembling in public over a specific item or goal. The earliest known parades date all the way back to pre-history, with Spanish cave paintings depicting crowds cheering as hunters brought back their prey, but parades of today can be about anything from music and sports to war and sexual identity. So why do we march, and what are some of the most impactful parades in history?