1054, the Great Schism, in which the Western (Roman Catholic) and Eastern Orthodox churches separated from each other. After a number of earlier such schisms, the breach was later repaired, but this one continues nearly 1000 years later.
... pending.
In British service, the aircraft is supposed to replace the Tornado F3 and the Jaguar GR3A[?].
The Tornados will be replaced from 2006-2010, and the Jaguars ...