The First Crusades was triggered by the movement of Muslim religions into the area of Jerusalem. The First Crusade was declared in 1905 by Pope Urban II.
The Battle of Manzikert is seen as the beginning of the end of Byzantine control over Asia Minor. After that, the Seljuks continued to expand into Asia Minor.
Militancy triggered by the cultural and territorial encroachment resulting in the Creek War.
the bombing of Pearl harbour on Dec.7th 1941
The death of Mongol leader Mรถngke Khan in 1259 marked a major turning point in the history of the Mongol Empire. The ensuing power struggle between his successors, Kublai Khan and Ariq Bรถke, led to a split in the empire and the beginning of a long period of division and decline. This event ultimately contributed to the fragmentation and eventual downfall of the mongol empire.
There is not a date for it. The decline of the empire was a gradual process, not an event.
The Dark Ages is a historical periodization used for the Middle Ages, following the decline of the Roman Empire
You have not told us which event, or which revolution you are asking about.
The assasination of Archduke Franz Ferdinand
onFocus
a route is installed in the routing table
Invasion of poland
Stock Market crash in 1929
The development of the microscope
invasion of poland
The communist takeover brought the genocide in Cambodia.
Hitler's invasion of Poland in 1939.