The Anno Domini dating system was devised in AD 525 by Dionysius Exiguus. The Julian calendar, a 45 BC reform of the Roman calendar, was the calendar used by Rome in AD 1. Events By place Roman Empire. Tiberius, under order of Emperor Augustus, quells revolts in Germania (AD 1–5). Asia
The Toyota AD engine family is a series of 16 valve DOHC inline-4 turbo diesel engines with electronic common rail direct injection using an aluminium cylinder head and an aluminium cylinder block with cast iron liners derived from the petrol Toyota AZ engine. The AD engine is offered in 2.0 and 2.2 liter versions.