Labour Day, also known as May Day, is celebrated on May 1st. It is an international workers' holiday established in 18 to commemorate the Haymarket Riot of 1886 in Chicago, which resulted in the death of several workers and injured dozens more.
The correct way to say "Labour Day" in English is "International Workers' Day." It is important to note that "Labor Day" in the United States refers to a different holiday celebrated on the first Monday of September.
For example, "They designated May 1st as International Workers' Day to be observed by the workers of all countries." This sentence illustrates the international recognition of May 1st as a day to honor workers worldwide.
