The 1080s was a decade of the Julian Calendar which began on January 1, 1080, and ended on December 31, 1089.
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1080
1081
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1083
1084
1085
1086
1087
1088
1089
Godfrey was almost certainly present in support of Henry IV at the battle of Elster in 1080 (sic 1085... an error or typo), when the forces of the anti-king Rudolf triumphed on the field only to see their victory nullified because Rudolf was killed.