142 CE

Municipal doctors are named throughout the Roman Empire. Marcion proclaims that the Old Testament is incompatible with Christianity. Emperor Antoninus Pius orders the construction of the Antonine Wall. The wall stretches 39 miles (63 km), from Old Kilpatrick in West Dunbartonshire on the Firth of Clyde, to Carriden near Bo'ness on the Firth of Forth (Scotland). The Romans build 19 forts and smaller fortlets (milecastles), to protect the border against the Caledonians.

Exploration & Expansion

Emperor Antoninus Pius orders the construction of the Antonine Wall. The wall stretches 39 miles (63 km), from Old Kilpatrick in West Dunbartonshire on the Firth of Clyde, to Carriden near Bo'ness on the Firth of Forth (Scotland). The Romans build 19 forts and smaller fortlets (milecastles), to protect the border against the Caledonians.source

Religion & Belief

Marcion proclaims that the Old Testament is incompatible with Christianity.source

Science & Discovery

The Chinese Taoist alchemist Wei Boyang, author of the Kinship of the Three, is the first to describe an early form of gunpowder solution.source

Health & Medicine

Municipal doctors are named throughout the Roman Empire.source

Culture & Society

First year of the Hanan era of the Chinese Han Dynasty.source

Births

Liu Biao, Chinese governor (d. 208)source
Elpinice, Roman noblewoman (d. 165)source
Papinian, Roman jurist and praetorian prefect (d. 212)source

Deaths

Hyginus, bishop of Rome (approximate date)source