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1010 CE
1020 CE
1030 CE
1040 CE
1050 CE
1060 CE
1070 CE
1080 CE
1015 CE - 1085 CE: Life of the Norman knight Robert Guiscard.
1053 CE: Battle of Civitate between a Norman coalition and a papal army.
1059 CE: Synod of Melfi; Nicholas II formally invests Robert Guiscard as Duke of Apulia, Calabria, and Sicily.
1068 CE: The Normans under Robert Guiscard begin the three-year siege of Bari, the Byzantine provincial capital of southern Italy.
1071 CE - 1072 CE: Robert Guiscard besieges Palermo.
1081 CE - 1082 CE: The Normans, led by Robert Guiscard, attack Byzantine Greece.
1084 CE: The Sack of Rome by the Normans led by Robert Guiscard, duke of Apulia, during Rome's occupation by German king Henry IV.