The 810s decade ran from January 1, 810, to December 31, 819.
The 820s decade ran from January 1, 820, to December 31, 829.
The 840s decade ran from January 1, 840, to December 31, 849.
The 860s decade ran from January 1, 860, to December 31, 869.
The 880s decade ran from January 1, 880, to December 31, 889.
The 760s decade ran from January 1, 760, to December 31, 769.
Year 814 (DCCCXIV) was a common year starting on Sunday of the Julian calendar, the 814th year of the Common Era (CE) and Anno Domini (AD) designations, the 814th year of the 1st millennium, the 14th year of the 9th century, and the 5th year of the 810s decade.
The 900s decade ran from January 1, 900, to December 31, 909.
The 920s decade ran from January 1, 920, to December 31, 929.
Year 820 (DCCCXX) was a leap year starting on Sunday of the Julian calendar.
Year 885 (DCCCLXXXV) was a common year starting on Friday of the Julian calendar.
Year 864 (DCCCLXIV) was a leap year starting on Saturday of the Julian calendar.
Year 884 (DCCCLXXXIV) was a leap year starting on Wednesday of the Julian calendar.
Year 896 (DCCCXCVI) was a leap year starting on Thursday of the Julian calendar.
Year 905 (CMV) was a common year starting on Tuesday of the Julian calendar.
Hywel ap Cadell, commonly known as Hywel Dda, which translates to Howel the Good in English, was a Welsh king who ruled the southern Welsh kingdom of Deheubarth and eventually came to rule most of Wales. He became the sole king of Seisyllwg in 920 and shortly thereafter established Deheubarth, and proceeded to gain control over the entire country from Prestatyn to Pembroke. As a descendant of Rhodri Mawr through his father Cadell, Hywel was a member of the Dinefwr branch of the dynasty. He was recorded as King of the Britons in the Annales Cambriæ and the Annals of Ulster.
The Tulunids were a Mamluk dynasty of Turkic origin who were the first independent dynasty to rule Egypt, as well as much of Syria, since the Ptolemaic dynasty. They were independent from 868, when they broke away from the central authority of the Abbasid Caliphate, to 905, when the Abbasids restored the Tulunid domains to their control.
Llywarch ap Hyfaidd was a king of Dyfed, an independent kingdom in southwest Wales. He was the son of Hyfaidd ap Bleddri.Sometime after his death, Dyfed became part of the new kingdom of Deheubarth, ruled by Hywel Dda who was married to Llywarch's daughter Elen.
Abu 'l-Jaysh Khumārawayh ibn Aḥmad ibn Ṭūlūn was a son of the founder of the Tulunid dynasty, Ahmad ibn Tulun. His father, the autonomous ruler of Egypt and Syria, designated him as his successor. When Ibn Tulun died in May 884, Khumarawayh succeeded him. After defeating an attempt to depose him, in 886 he managed to gain recognition of his rule over Egypt and Syria as a hereditary governor from the Abbasid Caliphate. In 893 the agreement was renewed with the new Abbasid Caliph, al-Mu'tadid, and sealed with the marriage of his daughter Qatr al-Nada to the Caliph.
