2021 May

May 1: Facts & Historical Events On This Day

Facts & Historic Events That Happened on May 1

May 1st is celebrated as International Workers’ Day and Batman Day.

Today is the 121st day of 2021, and there are 244 days left of the year.

People who were born on May 1st share the Taurus star sign.

Today may be an important day for you, or maybe you just want to know more about the first day in May. Well either way, you’ve come to the right place! Here we have everything you need to know about what makes May 1 so special.

Did you know that on this day in 1930, the “planet” Pluto was officially named? The name was thought of by an 11 year old British girl, Venetia Burney.

Keep reading for more interesting facts about May 1st in history!

What Happened On May 1 In History?


Same-sex marriage was legalized in Sweden.


SpongeBob SquarePants premiered on Nickelodeon.


The Beatles performed their final show ever in England at Empire Pool in Wembley, London.

OTD in 1966: The Beatles performed their final show ever in England at Empire Pool in Wembley

Despite running out of oxygen, Jim Whittaker became the first American to reach the summit of Mount Everest.


Fidel Castro banned elections and declared Cuba to be a socialist nation.

Source NY Times

Mr. Potato Head was officially released, originally only consisting of the accessories which were meant to be stuck in an actual potato.


Cheerios was introduced by General Mills.

Before it was Cheerios, the original cereal was named and introduced as CheeriOats marketed as an oat-based and ready to eat cereal.

The Empire State Building opened.

OTD in 1931: The Empire State Building opened.
When the Empire State Building opened, President Herbert Hoover was the one who first turned on the lights of the building. At the time, the Empire State Building was the world's tallest skyscraper.

Pluto was officially named.

The name for Pluto was suggested by 11-year old Venetia Burney, when she heard about the discovery of a new planet. The idea was forwarded to the scientists, and the name was officially adopted on this day.

A national strike began in the United States calling for an eight hour work day instead of 12 hours.


Construction started on Chicago’s first ever skyscraper for the Home Insurance Company of New York.


Levi Strauss was founded.

The German immigrant, Levi Strauss, moved from Bavaria to San Francisco on May 1st. He moved there to open a west coast branch of his brother's business.

Did you know that on this day, May 1st 1930, the "planet" Pluto was officially named?