|Centuries:||7th century – 8th century – 9th century|
|Decades:||720s 730s 740s – 750s – 760s 770s 780s|
|Years:||755 756 757 – 758 – 759 760 761|
|758 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1511|
|Bahá'í calendar||−1086 – −1085|
|English Regnal year||N/A|
|Chinese calendar||丁酉年 (Fire Rooster)
3454 or 3394
— to —
戊戌年 (Earth Dog)
3455 or 3395
|- Vikram Samvat||814–815|
|- Shaka Samvat||680–681|
|- Kali Yuga||3859–3860|
|Igbo calendar||−242 – −241|
|Japanese calendar||Tenpyō-hōji 2
|Minguo calendar||1154 before ROC
|Thai solar calendar||1301|
|Wikimedia Commons has media related to 758.|
Year 758 (DCCLVIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. The denomination 758 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.
- Summer – Duke Liutprand of Benevento attains majority and rebels against Lombard rule. King Desiderius defeats him and grants his duchy to Arechis II (son of Liutprand). He marries Adelperga, daughter of Desiderius, and establishes friendly (but largely independent) relations with the Lombard Kingdom.
- Desiderius deposes Alboin, duke of Spoleto (Central Italy), and exercises ducal authority himself. Tying the duchy more closely to the Lombard capital of Pavia.
- King Beorna of East Anglia dies. Apparent succession of prince Æthelred, descendant of the late king Rædwald, as king (approximate date).
- King Eadberht of Northumbria abdicates the throne in favour of his son, Oswulf. He enters the monastery attached to the cathedral of York.
- King Swithred of Essex dies after a 12-year reign. He is succeeded by Sigeric, son of the late king Saelred (see 709).
- King Cynewulf of Wessex retakes Berkshire from the Mercians and begins a war with the Welsh (approximate date).
- A group of four Basra-educated missionaries including 'Abd al-Rahman Iban Rustam proclaim the Ibadi imamate. Followers conquer the city of Kairouan (modern Tunesia) and massacre the Kharijites.
- An Lushan Rebellion: The Chinese seaport of Guangzhou is sacked by Muslim and Persian raiders. The port is shut down for the next 5 decades while foreign vessels dock at Hanoi (modern vietnam) instead. Guangzhou thrives again once it is reopened to foreign trade in the early 9th century.
- June – Abbasid Arabs and Uyghur Turks arrive simultaneously at the Tang capital of Chang'an, in order to offer tribute to the imperial court. The Arabs and Turks bicker and fight over diplomatic prominence at the gate, to present tribute before the other. A settlement is reached when both are allowed to enter at the same time, but through different gates to the palace.
- Empress Kōken abdicates the throne after a 9-year reign. She is succeeded by her adopted son Junnin, grandson of the late emperor Tenmu. He becomes the 47th emperor (tennō) of Japan.
- Hildegard, wife of Charlemagne (d. 783)
- Hyegong, king of Silla (Korea) (d. 780)
- Nikephoros, son of Constantine V (or 756)
- Nikephoros I, patriarch of Constantinople (approximate date)
- Sakanoue no Tamuramaro, Japanese shogun (d. 811)
- Theophanes the Confessor, Byzantine monk (or 760)
- Beorna, king of East Anglia (approximate date)
- Chen Xilie, chancellor of the Tang Dynasty
- Swithred, king of Essex
- Gilbert Meynier (2010). L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; pp.25.