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English definition of “annus mirabilis”

annus mirabilis

noun [S] uk   /ˌæn.əs.mɪˈrɑː.bɪ.lɪs/ formal us  
a year of extremely good events: 1969 was the annus mirabilis in which man first landed on the moon.
(Definition of annus mirabilis from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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