May 1 is the 121st day of the year (122nd in leap years) in the Gregorian calendar; 244 days remain until the end of the year. 305 – Diocletian and Maximian retire from the office of Roman emperor. 880 – The Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches.

International Workers' Day, also known as Labour Day in some countries [1] and often referred to as May Day, [2] [3] is a celebration of labourers and the working classes that is promoted by the international labour movement and occurs every year on 1 May, [4] [5] or the first Monday in May.

Apr 19, 2025 · May Day, day commemorating the historic struggles and gains made by workers and the labour movement, observed in many countries on May 1. In the United States and Canada a similar observance, known as Labor Day, occurs on the first Monday of September.

Historical events for the 1st of May. See what famous, interesting and notable events happened throughout history on May 1.

May Day is a May 1 celebration with a long and varied history, dating back millennia. Throughout the years, there have been many different events and festivities worldwide, most with the...

Around the world, May 1 continues to be associated with protests, demonstrations, and the rights of the people. For much of the 20th century in the Soviet Union, it was a day to celebrate the success of communism with military parades. In response, in 1955, Pope Pius XII designated May 1 as the day of the feast of St. Joseph the Worker.

3 days ago · May Day (May 1) is a holiday rich in folklore, celebrating the return of spring! As a child, many of us remember our grandparents or parents leaving delightful little May Day baskets, and dancing around the maypole at school. Learn more about May Day.

On This Day In History - May 1: anniversaries, birthdays, major events, and time capsules. This day's facts in the arts, politics, and sciences.

Discover what happened on May 1 with HISTORY’s summaries of major events, anniversaries, famous births and notable deaths.

May 1, 2012 · Search the largest and most accurate independent site for today in history. Acts of Union form Great Britain, 8-Hour Work Day, the Penny Black stamp, invention of matches and other historical events, birthdays and deaths from May 1.