Osiris became the first discovered exoplanet with an atmosphere.
It was found to have a hydrogen-rich atmosphere.
Source
The New York and Harlem Railroad became the first railroad to operate in the US.
Women voted in a general election for the first time in New Zealand.
France successfully launched their first satellite, Astérix, into Earth's orbit.
A Virgin Airlines plane became the first to fly using 100% sustainable jet fuel.
The US SM-65 Atlas missile completed the first successful intercontinental ballistic missile launch.
