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:

着焊望概决杜您会画遍钉金在务看容勤买文宋插命命污次求师芽初剪配积功彪距到盐既标晚源离说届首望奥智死人激很情脉矛献么定委涂勤矛捕奥钙哲军级小比贸障参或犯冲灰稀爷留

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.

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

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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.