Osiris became the first discovered exoplanet with an atmosphere.
It was found to have a hydrogen-rich atmosphere.
Source
Walt Disney's 'Frozen' was released in American movie theaters.
The first Boeing 727 planes were delivered to airlines.
The first Native American uprising against Spanish rule occurred in the La Navidad colony.
The Congress of Vienna declared Kraków, Poland, a free republic state, and the Constitution of the Kingdom of Poland was signed.
The San Jose, which sank in 1708, was found near Columbia.
