Alexios I Komnenos Timeline

Future Byzantine emperor Alexios I Komnenos marries Irene Doukaina.

The Normans, led by Robert Guiscard, attack Byzantine Greece.

Reign of Byzantine emperor Alexios I Komnenos.

Byzantine emperor Alexios I Komnenos grants trade access and privileges to the Venetians in return for naval support.

The Normans defeat a Venetian naval force, allies of the Byzantine Empire.

Alexios I Komnenos recaptures Dyracchion from the Normans.

The Pechenegs attack Byzantine Thrace.

A Byzantine army, with Cumans as allies, defeats the Pechenegs at the battle of Mount Lebounion.

Alexios I Komnenos introduces the electrum hyperpyron coin (worth one-third of a gold nomisma).

Byzantine emperor Alexios I Komnenos quashes a rebellion led by Nikephoros Diogenes.

Byzantine emperor Alexios I Komnenos appeals to the west for aid against the Seljuks.

The First Crusaders arrive at Constantinople.

The First Crusaders capture Nicaea.

The First Crusaders capture Antioch after an 8-month siege.

The Normans, led by Bohemund, besiege Dyracchion.

The Treaty of Devol is signed between the Byzantine Empire and the Normans, removing any Norman threat from the empire's territory.

Byzantine emperor Alexios I Komnenos dies of natural causes.