301 (CCCI) was a common year starting on Wednesday (link will
display the full calendar) of the Julian calendar. At the time, it was
known as the Year of the Consulship of Postumius and Nepotianus (or,
less frequently, year 1054 Ab urbe condita). The denomination
this year has been used since the early medieval period, when the Anno
Domini calendar era became the prevalent method in Europe for naming
Diocletian issues his Edict on Maximum Prices, which, rather
than halting rampant inflation and stabilizing the economy, over time
adds to inflationary pressures by flooding the economy with new
coinage and by setting price limits too low.
Diocletian begins the construction of new roads in the Roman Empire.
Strata Diocletiana is built and lined with a series of forts
(quadriburgia); it runs from the
Gulf of Aqaba
Gulf of Aqaba (Arabia) to the
Tiridates III of Armenia
Tiridates III of Armenia proclaims Christianity as the official
state religion, making
Armenia the first nation to adopt Christianity
as its official religion. Construction of the original
Etchmiadzin Cathedral by
Gregory the Illuminator
Gregory the Illuminator begins.
September 3 – The republic of
San Marino is established (traditional
May 30 –
Sima Lun briefly usurps the Jin dynasty.
June 5 – Sima Lun, Chinese usurper (forced suicide)
^ C.W. Dugmore, The Journal of Ecclesiastical History (Cambridge
University Press) p.268.
^ A. Dzh. (Arman Dzhonovich) Kirakosian, The Armenian Massacres,
1894–1896: 1894–1896 : U.S. media testimony, p.131.
^ Johann Christian Wilhelm Augusti, Georg Friedrich Heinrich
Rheinwald, Carl Christian Friedrich Siegel, The Antiquities of the