why is christmas island called christmas island

Christmas Island is an island in the Indian Ocean, located off the coast of Western Australia. It is named after the day on which it was first sighted by Captain William Mynors in 1643, on Christmas Day. Since then, it has become a popular destination for tourists who enjoy its beautiful beaches, coral reefs, and tropical rainforests. It's also known for its unique wildlife, including the red crabs that migrate across the island every year.