Linguistic study has led to Causation the conjecture that initially the complete Process_end poem was transmitted Dispersal orally , then in a lost manuscript in the East Saxon dialect and now survives Coming_to_be as a fragment in the West Saxon form , possibly that of a scribe active at the Monastery of Worcester late in the 11th century .

Not until the demise Destroying of the Comnenian dynasty would the Turks capture Conquering a port and it was Umur of Aydın in c. 14th century that constituted the first Turkish threat to Christian shipping in the Aegean since the 11th century .

The battle is recounted Statement in the 11th century `` The Song of Roland '' , the oldest surviving major work of French literature , and in `` Orlando Furioso '' , one of the most celebrated Social_event works of Italian literature .

The Cambodian–Thai border dispute Quarreling began Process_start in June 2008 as the latest round of a century-long dispute Quarreling between Cambodia and Thailand involving the area surrounding Surrounding the 11th century Preah Vihear Temple , in the Dângrêk Mountains between the Choam Khsant district in the Preah Vihear Province of northern Cambodia and the Kantharalak district ( `` amphoe '' ) in Sisaket Province of northeastern Thailand .

The Rebellion of the Three Guards ( ) , or less commonly the Wu Geng Rebellion , was a civil war , instigated by an alliance of discontent Zhou princes , Shang loyalists , vassal states and non-Chinese peoples against the Zhou government under the Duke of Zhou 's regency in the latter 11th century BC .