christianity
US /ˌkrɪs.tʃiˈæn.ə.t̬i/
UK /ˌkrɪs.tʃiˈæn.ə.t̬i/
1.
the religion based on the person and teachings of Jesus of Nazareth, or on their beliefs and practices.
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Christianity is one of the world's largest religions.
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Many historical events are tied to the spread of Christianity.