Erected in 879–880

Erected between 879 and 880, this refers to a significant historical structure or monument built during the late 9th century. Often, such structures serve as important markers of cultural, religious, or political significance at the time. This period was notable for the establishment of various kingdoms and the spread of Christianity in Europe. Erecting monuments during this era often symbolized power, faith, or commemorated events or figures. These structures can provide insight into the architectural styles, societal values, and historical context of the time.