By place Europe •
March 4 –
Trpimir I, duke (
knez) of
Croatia, and founder of the
Trpimirović dynasty, issues a first state document in
Bijaći of all
Slavonic peoples. In this
Latin document Trpimir refers to himself as the "duke of the
Croats" (dux Chroatorum), and to his country as the "state of the Croats" (regnum Chroatorum). •
Presian I, ruler (
khan) of the
Bulgarian Empire, dies after a 23-year reign in which the
Bulgarians have expanded into
Upper Macedonia and
Serbia. He is succeeded by his son
Boris I, as monarch of
Bulgaria. • Emperor
Lothair I and his (half) brother
Charles the Bald join forces to remove the
Vikings from the island of
Oscelles, in the
River Seine. After this fails, Charles again pays them
tribute (
Danegeld).
Britain • A Viking fleet of 350 vessels enters the
Thames Estuary before turning north, and engages the Mercian forces under King
Beorhtwulf. The Mercians are defeated, and retreat to their settlements. The Vikings then turn south and cross the river somewhere in
Surrey; there they are slaughtered by a
West Saxon army, led by King
Æthelwulf and his son
Aethelbald, at Oak Field (
Aclea). • King
Æthelstan, the eldest son of Æthelwulf, is killed by a Viking raiding party. He is succeeded by his brother
Æthelberht, who becomes sub-king of
Kent,
Essex, Surrey and
Sussex (approximate date). • Beorhtwulf dies after a 12-year reign, and is succeeded by his son
Burgred as king of
Mercia.
Al-Andalus •
Abd al-Rahman II, Umayyad
emir of
Córdoba, dies after a 30-year reign in which he has made additions to the
Mosque–Cathedral at
Córdoba. He is succeeded by his son
Muhammad I, who will put down several revolts of the
Muwalladun and
Mozarabs in Muslim controlled areas in
al-Andalus (modern
Spain).
By topic Aviation • According to a 17th century account, the Andalusian inventor
Abbas ibn Firnas makes a tower jump in Córdoba. He wraps himself with vulture feathers and attaches two wings to his arms. The alleged attempt to fly is not recorded in earlier sources and is ultimately unsuccessful, but the garment slows his fall enough that he only sustains minor injuries.
Religion •
Gandersheim Abbey in
Lower Saxony (modern
Germany) is founded by Duke
Liudolf of Saxony. == Births ==