May Day is the International Labor Day.

五一节是国际劳动节。

When is international labor day?

国际劳动节是什么时候？

In China, we celebrate International Labor Day on May 1.

在中国, 我们在5月1日庆祝国际劳动节.

In the solar calendar, May the first is International Labor Day.

阳历五月一日是国际劳动节.

May 1 International Labor Day from the City of Chicago workers strike.

五一国际劳动节源于美国芝加哥城的工人大罢工.

At a public square in Fuzhou on May 1, the International Labor Day.

为参加五一国际劳动节在公共广场上举行的升旗仪式做准备。