
1870 - June 26 - Christmas becomes a Federal holiday in the United States. It was still illegal in some states.
1904 - May 5 - Pitching against the Philadelphia Athletics, Cy Young of the Boston Americans throws the first perfect game in the modern era of baseball.
On May 5, 1904, Cy Young, a pitcher for the Boston Americans, achieved a remarkable feat in baseball history by throwing the first perfect game in the modern era. Facing off against the Philadelphia Athletics, Young delivered a flawless performance, retiring all 27 batters he faced without a single one reaching base. This remarkable display of skill and precision cemented Young's legacy as one of the greatest pitchers in baseball history.
The term 'perfect game' in baseball refers to a game in which a pitcher faces the minimum possible number of batters (27) and none of the opposing team's players reach base through any means, including hits, walks, or errors. Young's achievement was a testament to his incredible talent, as well as his ability to maintain focus and composure under immense pressure. His perfect game remains one of the most iconic moments in baseball history and a testament to the skill and determination of one of the game's legendary players.
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May 5, 1904
In 1906, Reginald Fessenden made the first AM radio broadcast on December 24th. This event marked a significant advancement in radio technology, paving the way for the modern broadcasting industry.

1929 - October 29 - Black Tuesday - Stock market crash - The Great Depression Begins - It lasted until 1941 (WW2)

1934 - The metal beverage can is invented (American Can Co., United States)

1940 - April - 1st electron microscope demonstrated (RCA), Philadelphia, Pennsylvania, USA

The microwave oven was invented accidentally in 1945 by Percy Spencer, a Raytheon engineer. While testing a magnetron, he noticed microwaves melted a candy bar in his pocket. Experimenting further, he discovered microwaves could cook food quickly. Raytheon patented the process, and by 1947, they built the first commercial microwave oven, called the 'Radarange.' Initially used in commercial settings, microwaves becomes affordable for home use by the 1960s and 1970s, revolutionizing cooking.
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