On May 10.1857 ; Indian Rebellion of 1857: In India, the first war of Independence begins. Sepoys mutiny against their commanding officers at Meerut. source
On May 10.1857 ; Indian Rebellion of 1857: In India, the first war of Independence begins. Sepoys mutiny against their commanding officers at Meerut.
On May 10.1869 ; The First Transcontinental Railroad, linking the eastern and western United States, is completed at Promontory Summit, Utah with the golden spike. source
On May 10.1869 ; The First Transcontinental Railroad, linking the eastern and western United States, is completed at Promontory Summit, Utah with the golden spike.
On May 10.1960 ; The nuclear submarine USS Triton completes Operation Sandblast, the first underwater circumnavigation of the earth. source
On May 10.1960 ; The nuclear submarine USS Triton completes Operation Sandblast, the first underwater circumnavigation of the earth.
On May 10.1994 ; Nelson Mandela is inaugurated as South Africa's first black president. source
On May 10.1994 ; Nelson Mandela is inaugurated as South Africa's first black president.
On May 11.1997 ; Deep Blue, a chess-playing supercomputer, defeats Garry Kasparov in the last game of the rematch, becoming the first computer to beat a world-champion chess player in a classic match format. source
On May 11.1997 ; Deep Blue, a chess-playing supercomputer, defeats Garry Kasparov in the last game of the rematch, becoming the first computer to beat a world-champion chess player in a classic match format.
On May 12.1926 ; The Italian-built airship Norge becomes the first vessel to fly over the North Pole. source
On May 12.1926 ; The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
On May 13.1848 ; First performance of Finland's national anthem. source
On May 13.1848 ; First performance of Finland's national anthem.
On May 13.1861 ; Pakistan's (then a part of British India) first railway line opens, from Karachi to Kotri. source
On May 13.1861 ; Pakistan's (then a part of British India) first railway line opens, from Karachi to Kotri.
On May 13.1909 ; The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner. source
On May 13.1909 ; The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
On May 13.1939 ; The first commercial FM radio station in the United States is launched in Bloomfield, Connecticut. The station later becomes WDRC-FM. source
On May 13.1939 ; The first commercial FM radio station in the United States is launched in Bloomfield, Connecticut. The station later becomes WDRC-FM.
On May 13.1950 ; The first round of the Formula One World Championship is held at Silverstone. source
On May 13.1950 ; The first round of the Formula One World Championship is held at Silverstone.
On May 13.1995 ; Alison Hargreaves, a 33-year-old British mother, becomes the first woman to conquer Everest without oxygen or the help of sherpas. source
On May 13.1995 ; Alison Hargreaves, a 33-year-old British mother, becomes the first woman to conquer Everest without oxygen or the help of sherpas.
On May 14.1796 ; Edward Jenner administers the first smallpox inoculation. source
On May 14.1796 ; Edward Jenner administers the first smallpox inoculation.
On May 14.1804 ; The Lewis and Clark Expedition departs from Camp Dubois and begins its historic journey by traveling up the Missouri River. source
On May 14.1804 ; The Lewis and Clark Expedition departs from Camp Dubois and begins its historic journey by traveling up the Missouri River.
On May 14.1879 ; The first group of 463 Indian indentured laborers arrives in Fiji aboard the Leonidas. source
On May 14.1879 ; The first group of 463 Indian indentured laborers arrives in Fiji aboard the Leonidas.
On May 14.1951 ; Trains run on the Talyllyn Railway in Wales for the first time since preservation, making it the first railway in the world to be operated by volunteers. source
On May 14.1951 ; Trains run on the Talyllyn Railway in Wales for the first time since preservation, making it the first railway in the world to be operated by volunteers.
On May 15.1792 ; War of the First Coalition: France declares war on Kingdom of Sardinia. source
On May 15.1792 ; War of the First Coalition: France declares war on Kingdom of Sardinia.
On May 15.1817 ; Opening of the first private mental health hospital in the United States, the Asylum for the Relief of Persons Deprived of the Use of Their Reason (now Friends Hospital, Philadelphia, Pennsylvania). source
On May 15.1817 ; Opening of the first private mental health hospital in the United States, the Asylum for the Relief of Persons Deprived of the Use of Their Reason (now Friends Hospital, Philadelphia, Pennsylvania).
On May 15.1940 ; McDonald's opens its first restaurant in San Bernardino, California. source
On May 15.1940 ; McDonald's opens its first restaurant in San Bernardino, California.
On May 15.1941 ; First flight of the Gloster E.28/39 the first British and Allied jet aircraft. source
On May 15.1941 ; First flight of the Gloster E.28/39 the first British and Allied jet aircraft.
On May 15.2004 ; Arsenal F.C. go an entire league campaign unbeaten in the English First Division, joining Preston North End F.C with the right to claim the title The Invincibles source
On May 15.2004 ; Arsenal F.C. go an entire league campaign unbeaten in the English First Division, joining Preston North End F.C with the right to claim the title The Invincibles
On May 16.1843 ; The first major wagon train heading for the Pacific Northwest sets out on the Oregon Trail with one thousand pioneers from Elm Grove, Missouri. source
On May 16.1843 ; The first major wagon train heading for the Pacific Northwest sets out on the Oregon Trail with one thousand pioneers from Elm Grove, Missouri.
On May 16.1891 ; The International Electrotechnical Exhibition opens in Frankfurt, Germany, and will feature the world's first long distance transmission of high-power, three-phase electric current (the most common form today). source
On May 16.1891 ; The International Electrotechnical Exhibition opens in Frankfurt, Germany, and will feature the world's first long distance transmission of high-power, three-phase electric current (the most common form today).
On May 16.1914 ; The first ever National Challenge Cup final is played. Brooklyn Field Club defeats Brooklyn Celtic 2–1. source
On May 16.1914 ; The first ever National Challenge Cup final is played. Brooklyn Field Club defeats Brooklyn Celtic 2–1.
On May 16.1960; Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.; source
On May 16.1960; Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.;
On May 17.1859 ; Members of the Melbourne Football Club codified the first rules of Australian rules football. source
On May 17.1859 ; Members of the Melbourne Football Club codified the first rules of Australian rules football.
On May 18.1811 ; Battle of Las Piedras: The first great military triumph of the revolution of the Río de la Plata in Uruguay led by José Artigas. source
On May 18.1811 ; Battle of Las Piedras: The first great military triumph of the revolution of the Río de la Plata in Uruguay led by José Artigas.
On May 18.1927 ; After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China. source
On May 18.1927 ; After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
On May 18.1948 ; The First Legislative Yuan of the Republic of China officially convenes in Nanking. source
On May 18.1948 ; The First Legislative Yuan of the Republic of China officially convenes in Nanking.
On May 20.1902 ; Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President. source
On May 20.1902 ; Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.