Englishfor English speakers
Claudius
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noun
Roman Emperor after his nephew Caligula was murdered; consolidated the Roman Empire and conquered southern Britain; was poisoned by his fourth wife Agrippina after her son Nero was named as Claudius' heir (10 BC to AD 54)
II
Number
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This is the Roman numeral for two (2). It may be written as II or ii.
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II after a name means the second.
"Pope John Paul II" is said as "Pope John Paul the second".