AD 117

Millennium:	1st millennium
Centuries:	1st century 2nd century 3rd century
Decades:	90s 100s 110s 120s 130s
Years:	114 115 116 117 118 119 120

117 in various calendars

Gregorian calendar	117 CXVII
Ab urbe condita	870
Assyrian calendar	4867
Balinese saka calendar	38–39
Bengali calendar	−476
Berber calendar	1067
Buddhist calendar	661
Burmese calendar	−521
Byzantine calendar	5625–5626
Chinese calendar	丙辰年 (Fire Dragon) 2814 or 2607     — to — 丁巳年 (Fire Snake) 2815 or 2608
Coptic calendar	−167 – −166
Discordian calendar	1283
Ethiopian calendar	109–110
Hebrew calendar	3877–3878
Hindu calendars
- Vikram Samvat	173–174
- Shaka Samvat	38–39
- Kali Yuga	3217–3218
Holocene calendar	10117
Iranian calendar	505 BP – 504 BP
Islamic calendar	521 BH – 520 BH
Javanese calendar	N/A
Julian calendar	117 CXVII
Korean calendar	2450
Minguo calendar	1795 before ROC 民前1795年
Nanakshahi calendar	−1351
Seleucid era	428/429 AG
Thai solar calendar	659–660
Tibetan calendar	阳火龙年 (male Fire-Dragon) 243 or −138 or −910     — to — 阴火蛇年 (female Fire-Snake) 244 or −137 or −909

Events

By place

Roman Empire

• Trajan subdued a Judean revolt, then fell seriously ill, leaving Hadrian in command of the east.
• On his death bed, Trajan adopts Hadrian and designated him as his successor.
• August 9 — Emperor Trajan dies, leaving the Roman Empire at its maximal territorial extent.
• Hadrian, who will reign until 138, succeeds him.
  • Hadrian, a Spaniard like Trajan, is an excellent officer who has had a brilliant career. He is well-cultured man, who as Emperor inaugurates a civil government, giving up the policy of conquest of his predecessor in order to consolidate the empire.
• Hadrian returns large parts of Mesopotamia to the Parthians as part of a peace settlement.
• Construction begins on the Pantheon in Rome.

By topic

Religion

• John I becomes the 7th Bishop of Jerusalem

Deaths

• August 9 — Trajan, Roman emperor (illness)
• Gaius Cornelius Tacitus, Roman historian (approximate date)

The Roman Empire reached its maximal extent between 116 and 117 AD.