The 300s decade ran from January 1, 300, to December 31, 309.
The 380s decade ran from January 1, 380, to December 31, 389.
The 420s decade ran from January 1, 420, to December 31, 429.
The 360s decade ran from January 1, 360, to December 31, 369.
The 330s decade ran from January 1, 330, to December 31, 339.
The 340s decade ran from January 1, 340, to December 31, 349.
The 350s decade ran from January 1, 350, to December 31, 359.
The 370s decade ran from January 1, 370, to December 31, 379.
The 240s decade ran from January 1, 240, to December 31, 249.
The 290s decade ran from January 1, 290, to December 31, 299.
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 384 (CCCLXXXIV) was a leap year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Ricomer and Clearchus. The denomination 384 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for giving names to years.
Year 304 (CCCIV) was a leap year starting on Saturday of the Julian calendar. It was known in the Roman Empire as the Year of the Consulship of Diocletian and Maximian. The denomination 304 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 259 (CCLIX) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aemilianus and Bassus. The denomination 259 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 371 (CCCLXXI) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Augustus and Petronius. The denomination 371 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 362 (CCCLXII) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Mamertinus and Nevitta. The denomination 362 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 360 (CCCLX) was a leap year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantius and Iulianus. The denomination 360 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 337 (CCCXXXVII) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Felicianus and Titianus. The denomination 337 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 420 (CDXX) was a leap year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Theodosius and Constantius. The denomination 420 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.
