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.
... living with them, 74.5% are married couples living together, 8.3% have a female householder with no husband present, and 13.1% are non-families. 11.0% of all households are ...