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The Number 230The 230 crystal space groups.
230 is a common voltage in the European Union.
The Year 230 ADIn the year 230 AD Pope Pontian succeeded Pope Urban I.In the year 230 AD Patriarch Castinus succeeded Patriarch Ciriacus I as Patriarch of Constantinople. In the year 230 AD Ardashir I of Persia invades the Roman province of Mesopotamia.
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