50s

Centuries:	1st century BC - 1st century - 2nd century
Decades:	20s 30s 40s - 50s - 60s 70s 80s
Years:	50 51 52 53 54 55 56 57 58 59

Note: Sometimes the '50s is used as shorthand for the 1950s, the 1850s, or other such decades in various centuries

Events and trends

The Roman emperor Claudius is murdered (54), succeeded by Nero
The Tocharian empire is united under Kujula Kadphises, and becomes the Kushan Empire.
Buddhism introduced to China by the emperor Ming