Beer was first brewed around 5,000 BC in Mesopotamia — some of the oldest recipes survive

Chocolate was a bitter drink in Mesoamerica for 3,000 years before Europeans added sugar

Chocolate: Mesoamerican bitter beverage until Europeans introduced sugar

The printing press was invented by Gutenberg around 1440 — but China had movable type 400 years earlier

Gutenberg's press, circa 1440, followed China's 1000-year-old movable type innovation

Champagne was accidentally invented — monks originally considered the bubbles a flaw

Monks deemed Champagne's bubbles a flaw, but it led to the accidental invention of the sparkling wine

The first photograph took 8 hours of exposure — taken by Niépce in 1826

Niépce's daguerreotype, first photograph, required 8 hours exposure in 1826

Sharks are older than trees — sharks appeared about 400 million years ago, trees about 350 million

Sharks existed approximately 400 million years ago, predating trees by 50 million years

OK is the most widely understood word in the world — origins debated since the 1830s

"OK" origin debates began in the 1830s, with no single definitive source