__NOTOC__
Events
By Place
Roman Empire
★ A group of
Franks penetrate as far as
Tarragona in Spain (approximate date).
★ The
Goths invade
Moesia.
★ The
Alamanni drive the Romans from the modern area of
Donau-Ries.
★ An epidemic of the
Plague begins in
Egypt and spreads through the Roman Empire.
Africa
★ The Kingdom of
Aksum (
Axum) takes control of commerce on the
Red Sea.
Asia
★
Kofun Period begins in
Japan.
★
Kushan empire collapses.
The Americas
★
Teotihuacán is rebuilt as a four-quartered cosmogram by
Zapotec architects brought from
Monte Albán in
Oaxaca.
By Topic
Arts and Sciences
★
Diophantus writes ''Arithmetica'', the first systematic treatise on algebra.
Births
★
Maximian,
Roman emperor (approximate date).
★
Galerius, Roman emperor, (approximate date).
★
Constantius Chlorus, Roman emperor and father of
Constantine the Great (approximate date).
★
Licinius, Roman emperor (approximate date)
★
Arius,
Christian priest and founder of
Arianism (approximate date).
★
Zuo Si
Deaths
★
January 20 —
Pope Fabian.
★
Ambrose of Alexandria, Christian writer (approximate date)
★
Saint Denise
★
Nagarjuna, the founder of
Mahayana "Great Vehicle"
★
Zhu Ju, general of
Wu
★
Wang Ling, general of
Wei

Map of the world in 250.