国际劳动节又称“五一国际劳动节”、“国际示威游行日”(International Labor Day或者May Day)，是世界上大多数国家的劳动节。定在每年的五月一日。它是全世界劳动人民共同拥有的节日。1889年7月，由恩格斯领导的第二国际在巴黎举行代表大会。

Labor's Day的中文意思是五一劳动节。

"51" International Day referred to as 51, in the May 1 each year. It is the common working people around the world holiday. On "the origin of 51" is like this:

This section from the U.S. strike in Chicago. May 1, 1886, Chicago, more than 20 million workers to fight for the implementation of an eight-hour working day strike held, after a bloody hard struggle, finally won victory. To commemorate the labor movement, July 14, 1889, convened by the Inter-Marxist socialists Congress opened in Paris, France. The General Assembly, the delegates agreed that: to May 1st as the international proletariat, the common festival. This resolution received a positive response from workers in countries around the world.

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Today is May day.For the first time I went to visit the Great Wall.

Early in the morning,Father,Mohter and I went to the railway station.We got to the Great Wall at about nine.It was warm and fine and there were many people.Among them there were a lot of foreigners.They all looked happy.When we climbed up I was very excited.Father told me the history of the Great Wall.We took a lot of photos on it

After we got home,we were all tired,but Iwas still very excited,I fell proud of the Great Wall and our great country.