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  Jesus is crucified and betrayed by apostle Judas
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  Latin was now the Language of the liturgy
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  Law was passed to give people the right to the lay people to receive communion at least one time in a calendar year.
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  Pope Pius published a roman missal that throughly explained the ritual of the Eucharist.
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  Pope Pius X permitted children who attained the age of maturity to receive holy communion