312
                     
                         Constantine the Great defeats Maxentius at the Battle of Milvian Bridge, becoming the sole Roman Emperor.
                         AI analysis
                     
                      eading: This battle marked a significant turning point in Roman history as Constantine, who would later become the first Christian emperor, emerged victorious and united the empire under his rule. --AI analysis
                  
            
                 
                     1275
                     
                         Traditional founding of the University of Vienna in Austria.
                         AI analysis
                     
                      eading: The University of Vienna, one of the oldest universities in Europe, was founded on this day, marking the beginning of a long tradition of academic excellence and intellectual growth. --AI analysis
                  
            
                 
                     1512
                     
                         The ceiling of the Sistine Chapel, painted by Michelangelo, is exhibited to the public for the first time.
                         AI analysis
                     
                      eading: Michelangelo's masterpiece, the ceiling of the Sistine Chapel, was unveiled to the public on this day, showcasing his incredible artistic skill and leaving a lasting impact on art and culture. --AI analysis
                  
            
                 
                     1904
                     
                         The first underground line of the New York City Subway opens to the public.
                         AI analysis
                     
                      eading: The opening of the New York City Subway's first underground line revolutionized transportation in the city, providing faster and more efficient travel options for its residents. --AI analysis
                  
            
                 
                     1922
                     
                         The British Broadcasting Corporation (BBC) is granted a Royal Charter.
                         AI analysis
                     
                      eading: The BBC, one of the world's most respected and influential media organizations, was granted a Royal Charter on this day, marking the beginning of its long history of providing high-quality journalism and entertainment. --AI analysis
                  
            
                 
                     1947
                     
                         The first commercial flight of the de Havilland Comet takes place.
                         AI analysis
                     
                      eading: The de Havilland Comet, the world's first commercial jet airliner, made its maiden flight on this day, paving the way for modern air travel and significantly reducing travel times. --AI analysis
                  
            
                 
                     1962
                     
                         The United States and the Soviet Union reach an agreement to dismantle their nuclear missile sites in Turkey and Cuba, ending the Cuban Missile Crisis.
                         AI analysis
                     
                      eading: This agreement brought an end to the Cuban Missile Crisis, one of the most dangerous moments in human history, and marked a significant step towards reducing nuclear tensions between the two superpowers. --AI analysis
                  
            
                 
                     1971
                     
                         The Democratic Republic of the Congo is renamed, and becomes known as Zaire.
                         AI analysis
                     
                      eading: The renaming of the Democratic Republic of the Congo to Zaire on this day reflected the country's complex political history and its ongoing struggle for stability and development. --AI analysis
                  
            
                 
                     1986
                     
                         The Big Bang in London's stock market as rules restricting stock market activities are abolished.
                         AI analysis
                     
                      eading: The Big Bang, a series of financial deregulations, was introduced on this day, significantly changing the way the London Stock Exchange operated and leading to increased market efficiency and competitiveness. --AI analysis
                  
            
                 
                     2012
                     
                         The largest power outage in Indian history occurs, affecting over 620 million people.
                         AI analysis
                     
                      eading: This massive power outage highlighted India's ongoing challenges in providing reliable and efficient energy to its rapidly growing population, and underscored the need for significant investments in the country's power infrastructure. --AI analysis