
Events 140s – passage Halley’s Comet
Halley’s Comet recorded again Roman Empire Emperor Antoninus Augustus Pius and Marcus Aurelius Caesar become Roman Consuls. Antoninus Pius recognizes the king of the Quadi, who becomes an ally of Rome. The export of olive oil from Hispania Baetica to Rome peaks. Religion Pope Pius I succeeds Pope Hyginus as the tenth pope of Rome according to tradition. Marcion arrives in Rome, bringing Evangelikon and Apostolikon to the Christian community. Art and science Ptolemy completes his Almagest (approximate date). 6th recorded perihelion passage of Halley’s Comet.