OTD:

In 1793, the Louvre in Paris opened as a public museum, displaying art seized during the French Revolution and becoming one of the world’s most famous museums.

In 1809, Humphry Davy demonstrated the first electric lamp in London, laying the groundwork for future electric lighting innovations.

In 1837, the Battle of Yungay ended the Peruvian-Bolivian Confederation with a decisive Chilean victory, reshaping South America's political landscape.

In 1895, German judge Daniel Paul Schreber's psychotic episode led to a famous psychiatric case study that influenced Sigmund Freud's theories on paranoia.

In 1973, King Carl XVI Gustaf was enthroned in Sweden, leading the monarchy through a modern era with a focus on public engagement and social issues.

In 1976, Canadian sprinter Donovan Bailey was born, later becoming a two-time Olympic gold medalist and setting a world record in the 100 meters.

In 1980, Microsoft released MS-DOS, a pivotal operating system that helped drive the personal computing revolution and establish Microsoft’s dominance.

In 1985, a massive earthquake in Mexico City killed over 10,000 people, prompting changes in building codes and disaster preparedness.

In 2008, Lehman Brothers' collapse during the global financial crisis triggered panic in markets and led to the worst economic downturn since the Great Depression.

In 2019, the Libra Association, led by Facebook, announced plans for a global cryptocurrency, facing heavy regulatory opposition before scaling back.