母亲节是一个感谢母亲的节日。这个节日最早出现在古希腊；而现代的母亲节起源于美国，这个节日是每年5月的第二个星期日。

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Mother's Day is an occasion to show our gratitude to mother. This festival first appeared in ancient Greece. The modern mother's day originated in the United States. The festival falls on the second Sunday of May every year.