1882年，联合广场是第一个劳动节的举办地。水塔周围的八个数字代表了八小时工作制的胜利，也代表了其他庆祝国际劳动节的国家。

2014年，美国纽约联合广场第4大道和第13街。

In 1882 Union Square was the site of the first Labour Day. The eight figures surrounding the water tower represent the victory of the eight hour working day the rally achieved and the other countries that celebrate International Workers day.

4th Avenue and 13th street, Union Square, New York, USA, 2014.