1100
Cahokia at its zenith
On the Mississippi floodplain across from present-day St. Louis, a city of perhaps twenty thousand people hummed around earthen pyramids taller than anything…
Baldwin crowned King of Jerusalem
A year after his brother Godfrey died refusing the title of king in the city where Christ had worn thorns, Baldwin of Boulogne marched south from Edessa…
Henry I crowned King of England
Rushing ahead of his absent elder brother Robert, Henry swore a Coronation Charter promising to end his predecessor's abuses.
Easter Islanders carve first moai
On the tiny volcanic island in the eastern Pacific, Rapa Nui stoneworkers began quarrying tuff from the slopes of Rano Raraku and raising stylized ancestor…
Chimu state rising at Chan Chan
On the arid Peruvian north coast, the successors of the Moche began consolidating a new kingdom whose capital Chan Chan would grow into the largest adobe city…
Death of William Rufus in the New Forest
An arrow pierced the lung of England's red-faced king while he hunted stag among the oaks.
Cliff dwellings rising at Mesa Verde
On the green plateau of the Four Corners, Ancestral Pueblo masons began working sandstone blocks into multi-room houses tucked under the lips of vast…
Toltec power at Tula peaks
Henry I weds Matilda of Scotland
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Frequently asked
What happened in the year 1100?
Saeculum lists 9 events from 1100. The most significant is Cahokia at its zenith.
What era was 1100 part of?
1100 falls within the High Middle Ages (1000-1300). Crusades, cathedrals, and the slow waking of Europe.
Which regions saw notable events in 1100?
The events from 1100 span North America, Middle East, Europe, Oceania and South America.