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The 100s

117 sourced entries across 10 years, inside the 2nd century. Each year below opens its own page; the lines under it are that year’s highest-ranked entries.

100 CE33 entries

101 CE11 entries

  • Epictetus writes and publishes The Discourses of Epictetus (approximate date).
  • Third Battle of Tapae: Roman forces, led by Trajan, defeat the Dacian king Decebalus in Transylvania.
  • Emperor Trajan starts an expedition against Dacia, exceeding the limits of the Roman Empire set by Augustus.

102 CE9 entries

  • Trajan divides Pannonia into two provinces, sometime between this year and 107.
  • Emperor Trajan returns to Rome after a successful campaign against Dacia, through which he reestablishes clear Roman sovereignty over King Decebalus.
  • Lucius Julius Ursus Servianus and Lucius Licinius Sura become Roman consuls.

103 CE9 entries

  • Legio X Gemina moves to Vienna, where it remains until the 5th century.
  • Pliny the Younger becomes a member of the college of Augurs (103–104).
  • In Palmyra, Syria, a Temple of the Sun is erected to the god Baal.

104 CE7 entries

  • Apollodorus of Damascus builds a stone bridge over the Danube more than 1,000 m ft long, almost 20 m ft high and 15 m ft wide. The bridge connects what is now Serbia with Romania (at the time known as Dacia).
  • Pliny the Younger continues as a member of the College of Augurs (103–104).
  • Nijmegen is renamed Ulpia Noviomagus Batavorum.

105 CE18 entries

  • Pacorus II of Parthia dies after a 27-year reign, in which he has reclaimed all of his empire. His successor Vologases III reigns until 147 AD, suppressing brief rebellions, as he battles against the Kushan and Alani.
  • Emperor He Di dies after a 17-year reign in which court eunuchs and the emperor's in-laws have regained influence. Empress Deng Sui places her son Shang Di (barely 3 months old) on the throne, as the fifth emperor of the Chinese Eastern Han dynasty.
  • Emperor Trajan starts the second expedition against Dacia; he leaves with the Imperial Roman fleet from Brundusium.

106 CE14 entries

  • February 13 – Emperor He of Han dies after an 18-year reign. Empress Dowager Deng places her infant son Han Shangdi on the Chinese throne. First and the only year of yanping era.
  • August 11 – The south-eastern part of Dacia (modern Romania) becomes a Roman province: Roman Dacia. The veterans of the legions are given land in the new province for their service in the Roman army.
  • September 21 – Han Shangdi dies after a 7-month reign and is succeeded by his 12-year-old cousin Han Andi as ruler of the Chinese Eastern Han dynasty (until 125).

107 CE6 entries

  • An Indian ambassador is received by Emperor Trajan.
  • Lucius Licinius Sura and Quintus Sosius Senecio become consuls of Rome.
  • Liu Hu becomes Emperor An of Han.

108 CE4 entries

  • Tacitus writes Histories, which covers the period from AD 69 to AD 96.
  • The Hypogeum of Yarhai, an underground tomb from the Syrian city of Palmyra dedicated to the family of Yarhai, is built.
  • Appius Annius Trebonius Gallus and Marcus Atilius Bradua become Roman Consuls.

109 CE6 entries

  • June 24 – The Aqua Traiana is inaugurated by Emperor Trajan; the aqueduct channels water from Lake Bracciano, 40 km mi northwest of Rome.
  • The Via Traiana is constructed at the Emperor Trajan's personal expense; the road connects Benevento with Brundisium (Brindisi).
  • The Baths of Trajan, built by the architect Apollodorus of Damascus, are dedicated during the Calends. The thermae are constructed on the platform of the Palace of Nero (Domus Aurea) in Rome.