Cracks in the unity of Christianity appeared early, but the first great division occurred Multiple Choice in 1165 when the Eastern Church declared that in the doctrine of Trinity, the Spirit proceeds from both Father and Son. in 1054 when the bishops of Rome and Constantinople differed on the official date of Easter. in 1054 when the bishops of Rome and Constantinople excommunicated each other. in 1165 when the Western Empire moved the capital to Constantinople.

In 1054 when the bishops of Rome and Constantinople excommunicated each other.

Explanation:

The difference led to excommunicated between Pope Leo IX and Eastern patriarch. The split happened in the 11th century when Pope Leo IX came to see the Patriarch, to resolve the dispute of belief in Christianity in Constantinople. They disagree and excommunicated, which started the split in 1054. The split divided Christianity into Roman Catholic and the Eastern Orthodox.

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