AD 68 (LXVIII) was a leap year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Silius Italicus and Trachalus, or the start of the Year of the Four Emperors. The denomination AD 68 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. These are now used throughout the world.
The 90s was a decade that ran from January 1, AD 90, to December 31, AD 99.
The 300s decade ran from January 1, 300, to December 31, 309.
100 (C) was a leap year starting on Wednesday of the Julian calendar, the 100th year of the Common Era (CE) and Anno Domini (AD) designations, the 100th year of the 1st millennium, the 100th and last year of the 1st century, and the 1st year of the 100s decade. As of the start of 100, the Gregorian calendar was 2 days behind the Julian calendar, which was the dominant calendar of the time.
The 150s decade ran from January 1, 150, to December 31, 159.
The 160s decade ran from January 1, 160, to December 31, 169.
The 180s decade ran from January 1, 180, to December 31, 189.
The 270s decade ran from January 1, 270, to December 31, 279.
Year 284 (CCLXXXIV) was a leap year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Carinus and Numerianus. The denomination 284 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 251 (CCLI) was a common year starting on Wednesday of the Julian calendar. At the time, in the Roman Empire, it was known as the Year of the Consulship of Traianus and Etruscus. The denomination 251 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 240s decade ran from January 1, 240, to December 31, 249.
The 250s was a decade that ran from January 1, 250, to December 31, 259.
The 280's decade ran from January 1, 280, to December 31, 289.
Year 300 (CCC) was a leap year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantius and Valerius. The denomination 300 for this year has been used since the early Middle Ages / Medieval period, when the Latin language term / abbreviation "Anno Domini" for the calendar era became the prevalent universal / worldwide method for naming and numbering years. First beginning in Europe at the end of the Roman Empire (after the split of the Western Roman Empire and Eastern Roman Empire in the early Middle Ages / Medieval period.
Year 244 (CCXLIV) was a leap year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Armenius and Aemilianus. The denomination 244 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 248 (CCXLVIII) was a leap year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Philippus and Severus. The denomination 248 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 249 (CCXLIX) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Gavius and Aquilinus. The denomination 249 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 250 (CCL) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Traianus and Gratus. The denomination 250 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 138 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Serapio and Callaicus and the Third Year of Jianyuan. The denomination 138 BC 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.
Gaius Messius Quintus Trajanus Decius, known as Trajan Decius or simply Decius, was Roman emperor from 249 to 251.
