The Norwegian-Norse chieftain Ingólfr Arnarson builds his homestead in present-day Reykjavík in 874.

Ingólfr is followed by many other emigrant settlers, largely Scandinavians and their thralls, many of whom are Irish or Scottish.

By 930, most arable land on the island has been claimed; the Althing, a legislative and judicial assembly, is initiated to regulate the Icelandic Commonwealth.