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It originated in Greek mythology. Alcyone, the daughter of Aeolus, lost her husband, Ceyx, in a shipwreck. She drowned herself in the sea, and they were both transformed into halcyon birds, or kingfishers. When Alcyone made a nest on the beach, the waves threatened to sweep it away, so her father, Aeolus, suspended the winds for seven days, known as the halcyon days—the days when storms do not occur.
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