|Centuries:||7th century – 8th century – 9th century|
|Decades:||710s 720s 730s – 740s – 750s 760s 770s|
|Years:||742 743 744 – 745 – 746 747 748|
|745 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1498|
|Bahá'í calendar||−1099 – −1098|
|English Regnal year||N/A|
|Chinese calendar||甲申年 (Wood Monkey)
3441 or 3381
— to —
乙酉年 (Wood Rooster)
3442 or 3382
|- Vikram Samvat||801–802|
|- Shaka Samvat||667–668|
|- Kali Yuga||3846–3847|
|Igbo calendar||−255 – −254|
|Japanese calendar||Tenpyō 17
|Minguo calendar||1167 before ROC
|Thai solar calendar||1288|
|Wikimedia Commons has media related to 745.|
Year 745 (DCCXLV) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 745 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.
- Bubonic plague in Asia Minor kills 1/3 of the population and subsequently sweeps through the Peloponnese (Balkan Peninsula) which is inhabited almost entirely by Slavs (approximate date).
- Hunald, duke of Aquitaine, retires to a monastery, probably on Île de Ré. He is succeeded by his son Waifar who struggles during his rule for independence against the Frankish Kingdom.
- Carantania (modern Austria) loses its independence and becomes part of the Frankish Kingdom, due to the pressing danger posed by Avar tribes from the east (approximate date).
- China has accomplishments in poetry, painting and printing, but its monarchical system tends toward failure. Emperor Xuan Zong has fallen under the spell of his son's wife Yang Guifei (one of the Four Beauties of Ancient China), a Taoist priestess. He is ignoring the economy and the Tang Dynasty is declining.
- Newly founded Uyghur Empire control most of the former Turkish Empire territory, creating an empire that extends from Lake Balkash (modern Kazakhstan) to Lake Baikal (Mongolia) and is subject to Chinese suzerainty (approximate date).
- Idris I, emir and founder of the Idrisid Dynasty (d. 791)
- Muhammad ibn Mansur al-Mahdi, Muslim caliph (or 744)
- Musa al-Kadhim, Twelver Shī‘ah imām (d. 799)
- Wei Gao, general of the Tang Dynasty (d. 805)
- Willehad, bishop of Bremen (approximate date)
- Zhang Jianfeng, statesman of the Tang Dynasty (d. 800)
- Cathal Maenmaighe, king of Uí Maine (Ireland)
- Daniel, bishop of Winchester
- Herlindis of Maaseik, Frankish abbess (or 753)
- Ingwald, bishop of London
- Kulun Beg, ruler (khagan) of the Turkish Empire
- Thrasimund II, duke of Spoleto
- Wilfrid, bishop of York
- Pierre Riche, The Carolingians: A Family who forged Europe, pp. 51–52
- Grapard, Allan G. (1992). The Protocol of the Gods: A Study of the Kasuga Cult in Japanese History, p. 67; excerpt, "We have no information concerning Genbō's exile; the Shoku-Nihongi states simply that Genbō behaved in a manner that did not befit his ecclesiastic position and that he died in 746 as he was trying to escape."; Matsunaga, p. 125; excerpt, "...the degree of Genbō's corruption remains equivocal."