Hungarian conquest of the Carpathian Basin
Árpád's Magyars settle the Danube plain, splitting the Slavs

Around 895 the Hungarian tribes led by Árpád crossed the Carpathians and settled the middle Danube plain. Their arrival split the western and southern Slavs and laid the foundation of the Hungarian state.
Wikipedia (Russian) · Wikipedia (English) · 9th century
Meanwhile around the world (±25 years)
Africa
- c. 900 The bronzes of Igbo-Ukwu — 5 years later
Americas
- c. 900 Rise of Chichen Itza — 5 years later
Alive at the time
- Oleg the Wise (aged 50)
- Alfred the Great (aged 46)
- Igor of Kiev (aged 17)
- Æthelstan (aged 1)
- Edward the Elder (aged 21)