Augustus, Tiberius, Caligula, Claudius, Nero, Vespasian, Titus, Domitian, and Trajan will be the major Roman emperors of this century. Poetry: De Re Rustica by Lucius Junius Moderatus Columella is a didactic work about agriculture. Columella advises switching from grain to vines, "for none in Italy can remember when seeds increased fourfold."
The setting of the Táin Bó Cúailnge has traditionally been identified as the first century A.D. The earliest extant manuscript of any version of the work was written in the early twelfth century in the great monastery of Clonmacnoise overlooking the Shannon River. Sometime between these two dates, the Táin Bó Cúailnge came into existence.