On This Day:

1928, New York City: Sliced bread was sold for the first time by the Chillicothe Baking Company of Chillicothe, Missouri, using a machine invented by Otto Frederick Rohwedder.

1928, Scottish Highlands: Bacteriologist Alexander Fleming discovered penicillin's antibiotic properties, revolutionizing medical science.

1930, London, England: Sir Arthur Conan Doyle, the famous author of the Sherlock Holmes series, passed away.

1941, Lithuania: German forces, along with local collaborators, carried out a massacre of nearly 4,000 Jews in the town of Slobodka.

1985, London, England: German tennis player Boris Becker won the Wimbledon men's singles title at the age of 17, becoming the youngest champion in the tournament's history.

2005, London, England: Coordinated terrorist bombings, known as the 7/7 bombings, struck the city's public transport system, killing 52 civilians and injuring over 700.

2009, Rome, Italy: The G8 Summit focused on global economic issues and climate change, with leaders discussing strategies for economic recovery following the 2008 financial crisis.

2011, South Sudan: The country declared its independence from Sudan following a referendum in which an overwhelming majority voted for independence.

2014: The price of Bitcoin surged to $638.25 USD, capturing the attention of investors and the public.

2020: OpenAI released GPT-3, one of the most advanced language models ever created.