奥陶紀
おうとうき
noun (common) (futsuumeishi)
see: オルドビス紀
obscure term
Ordovician period
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桜桃忌
おうとうき
noun (common) (futsuumeishi)
[太宰治]
anniversary that celebrates author Dazai Osamu's birthday, and incidentally, the day his body was found after he was involved in a double suicide
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