OTD:

In 1814, during the War of 1812, the Battle of Lundy's Lane in Ontario saw British and American forces clash inconclusively, resulting in heavy casualties on both sides.

In 1834, Louis Daguerre held the world's first public and permanent photo exhibition in Paris, showcasing the daguerreotype and marking a pivotal moment in the history of photography.

In 1946, the U.S. conducted the first underwater atomic bomb test, known as Test Baker, at Bikini Atoll, demonstrating the destructive power of nuclear weapons on naval ships and marine environments.

In 1973, Norway's Ekofisk oil platform began production in the North Sea, marking a significant development in the oil and gas industry and boosting Norway's economy.

In 1978, Dr. Robert Jarvik successfully demonstrated the Jarvik-7, the first functional artificial heart, representing a major advancement in biomedical engineering.

In 1978, Louise Brown, the world's first "test-tube baby," was born in Oldham, England, marking a milestone in reproductive medicine with the success of in vitro fertilization (IVF).

In 1992, the Barcelona Summer Olympics opened, notable for the return of South Africa and the participation of a unified German team, symbolizing post-Cold War inclusivity.

In 2010, the Love Parade music festival in Duisburg, Germany, was marred by a stampede that resulted in 21 deaths and over 500 injuries, underscoring the importance of crowd control at large events.

In 2017, Estonia launched the "e-Residency" program, offering digital identity to global entrepreneurs and highlighting the country's leadership in digital governance.

In 2020, OpenAI released GPT-3, a groundbreaking AI language model with 175 billion parameters, showcasing advanced capabilities in natural language understanding and generation.