Events from 300

Palestinian Talmud (Yerushalmi) begins compilation - Tiberias rabbis compile discussions on Mishnah

Babylonian academies on Jesus - Talmud includes cryptic references to 'Yeshu', competing narrative to Gospels

Birth of St. Hilary of Poitiers in Gaul - future Doctor of the Church and 'Athanasius of the West'

Rio Tinto environmental catastrophe - centuries of mining create permanent acid drainage, river runs red with iron oxide, fish extinct