The US Postal Service was founded.
Benjamin Franklin was named the first Postmaster General.
Source
The Summer Olympic Games opening ceremony was held outdoors for the first time ever.
In one day, Facebook lost $120 billion in value on the stock market.
Alice in Wonderland premiered in London.
Italian adventurer and author Giacomo Casanova was arrested in Venice for his offensive remarks on religion.
Francisco Pizarro became the Governor of Castile, which is a historic area of modern-day Peru.
