301

301 (CCCI) was a common year starting on Wednesday of the Julian calendar, the 301st year of the Common Era (CE) and Anno Domini (AD) designations, the 301st year of the 1st millennium, the 1st year of the 4th century, and the 2nd year of the 300s decade. As of the start of 301, the Gregorian calendar was 1 day ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	1st millennium
Centuries:	3rd century – 4th century – 5th century
Decades:	270s  280s  290s  – 300s –  310s  320s  330s
Years:	298 299 300 – 301 – 302 303 304

Events

• San Marino founded (traditional date)
• Armenia uses Christianity as a state religion - the first country to do so.

Deaths

• June 5

Sima Lin Emperor of China, Western Jin