10th c.: Emergence of the Bourtzes Family
969: Antioch on the Orontes comes again under the Byzantine rule. The first known member of the Bourtzes family, Michael, was one of the military commanders in that expedition
977: The usurper Bardas Skleros joins Michael Bourtzes
1029: Unsuccessful rebellion of Constantine Diogenes against Romanos III Argyros. Among his partners were the grandsons of Michael Bourtzes, Michael, Theognostes and Samuel Bourtzes
1057: Isaac Komnenos rebels. Among his followers is the vestarches Michael Bourtzes
first half of 11th c.: Marital alliance between he Bourtzes and the Melissenos families
1071: Battle of Manzikert; the Seljuks capture Asia Minor
late 11th or early 12th c.: A branch of the Bourtzes family emigrates from the eastern part of the empire to the area of Thessaloniki, in estates granted by caesar Nikephoros Melissenos
1153‑1160: George Bourtzes becomes metropolitan of Athens
12th c.: The Bourtzes lineage gradually decline
after the 13th c.: The Bourtzes family has lost its prestige