AD 3 (III) or 3 AD was a common year starting on Monday or Tuesday of the Julian calendar and a common year starting on Monday of the proleptic Julian calendar. In the Roman Empire, it was the Year of the Consulship of Lamia and Servilius. The denomination "AD 3" for this year has been used since the early medieval period when the Anno Domini calendar era became the prevalent method in Europe for naming years.
The 150s decade ran from January 1, 150, to December 31, 159.
Year 157 (CLVII) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Civica and Aquillus. The denomination 157 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 195 (CXCV) was a common year starting on Wednesday of the Julian calendar. At the time, it was known in Rome as the Year of the Consulship of Scrapula and Clemens. The denomination 195 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 230 (CCXXX) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Agricola and Clementinus. The denomination 230 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 168 (CLXVIII) was a leap year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Apronianus and Paullus. The denomination 168 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 200 (CC) was a leap year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Severus and Victorinus. The denomination 200 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 203 (CCIII) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Plautianus and Geta. The denomination 203 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 294 (CCXCIV) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantius and(Galerius) Maximianus. The denomination 294 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 190 (CXC) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Sura. The denomination 190 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 192 (CXCII) was a leap year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aelius and Pertinax. The denomination 192 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method for Europeans for naming years.
Year 193 (CXCIII) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Sosius and Ericius. The denomination 193 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 194 (CXCIV) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Septimius and Septimius. The denomination 194 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 188 (CLXXXVIII) was a leap year starting on Monday of the Julian calendar. At the time, it was known in the Roman Empire as the Year of the Consulship of Fuscianus and Silanus. The denomination 188 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 172 (CLXXII) was a leap year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Scipio and Maximus. The denomination 172 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 208 (CCVIII) was a leap year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Geta. The denomination 208 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 209 (CCIX) was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Commodus and Lollianus. The denomination 209 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 212 (CCXII) was a leap year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Asper and Camilius. The denomination 212 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
A calendar era is the period of time elapsed since one epoch of a calendar and, if it exists, before the next one. For example, it is the year 2024 as per the Gregorian calendar, which numbers its years in the Western Christian era.
A regnal year is a year of the reign of a sovereign, from the Latin regnum meaning kingdom, rule. Regnal years considered the date as an ordinal, not a cardinal number. For example, a monarch could have a first year of rule, a second year of rule, a third year of rule, and so on, but not a zeroth year of rule.
