ROME THE RELIGIOUS WARS

180-337
Ruben Ygua 180- Death of Marcus Aurelius at Vindobona, contaminated by the plague; proclamation of Commodus as Prince. Galen writes "Treatise on the Muscular System". The Praetorian Prefect Paternus defeats the Quadi. Vologases, king of Armenia. Ulpio Marcellus, governor of Britannia: campaign against the Scots.
New Zealand: eruption of Lake Taupo volcano, the largest eruption in 5000 years. America: Arizona's Hohokam culture thrives in a dry and mountainous territory, difficult to cultivate, which its inhabitants solve by building wells, irrigation systems and canals in the Salado and Gila rivers, and obtain up to two maize harvests a year, which they complement with the exploitation of pitahaya, the mesquite pods and with intense exchanges with neighboring cultures. The Huarpa culture of Ayacucho, in Peru, has small villages with family houses, built next to the land they cultivate, owned by the cacique, who can sell it, give it away or rent it out at will.