Robert A Davis was 12 years old when Petroleum is discovered in Titusville, Pennsylvania leading to the world's first commercially successful oil well. Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface. It is commonly refined into various types of fuels. Components of petroleum are separated using a technique called fractional distillation, i.e. separation of a liquid mixture into fractions differing in boiling point by means of distillation, typically using a fractionating column.
Robert A Davis was 14 years old when American Civil War: Fort Sumter surrenders to Confederate forces. The American Civil War was a war fought in the United States from 1861 to 1865. As a result of the long-standing controversy over slavery, war broke out in April 1861, when Confederate forces attacked Fort Sumter in South Carolina, shortly after U.S. President Abraham Lincoln was inaugurated. The nationalists of the Union proclaimed loyalty to the U.S. Constitution. They faced secessionists of the Confederate States, who advocated for states' rights to expand slavery.
Robert A Davis was 28 years old when Winston Churchill, English colonel, journalist, and politician, Prime Minister of the United Kingdom, Nobel Prize laureate (d. 1965) Sir Winston Leonard Spencer-Churchill was a British politician, army officer, and writer, who was Prime Minister of the United Kingdom from 1940 to 1945 and again from 1951 to 1955. As Prime Minister, Churchill led Britain to victory in the Second World War. Churchill represented five constituencies during his career as Member of Parliament (MP). Ideologically an economic liberal and British imperialist, he began and ended his parliamentary career as a member of the Conservative Party, which he led from 1940 to 1955, but for twenty years from 1904 he was a prominent member of the Liberal Party.
Robert A Davis was 42 years old when The Eiffel Tower is officially opened. The Eiffel Tower is a wrought iron lattice tower on the Champ de Mars in Paris, France. It is named after the engineer Gustave Eiffel, whose company designed and built the tower.
Robert A Davis was 46 years old when Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri. Nikola Tesla was a Serbian American inventor, electrical engineer, mechanical engineer, physicist, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.
Robert A Davis was 57 years old when The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina. The Wright brothers, Orville and Wilbur, were two American aviators, engineers, inventors, and aviation pioneers who are generally credited with inventing, building, and flying the world's first successful airplane. They made the first controlled, sustained flight of a powered, heavier-than-air aircraft on December 17, 1903, four miles south of Kitty Hawk, North Carolina. In 1904–05 the brothers developed their flying machine into the first practical fixed-wing aircraft. Although not the first to build experimental aircraft, the Wright brothers were the first to invent aircraft controls that made fixed-wing powered flight possible.
Robert A Davis was 67 years old when Archduke Franz Ferdinand and his wife, Sophie, Duchess of Hohenberg, were assassinated by a Yugoslav nationalist named Gavrilo Princip in Sarajevo, sparking the outbreak of World War I. Archduke Franz Ferdinand, Archduke of Austria-Este was a member of the imperial Habsburg dynasty, and from 1896 until his death the heir presumptive (Thronfolger) to the Austro-Hungarian throne. His assassination in Sarajevo precipitated Austria-Hungary's declaration of war against Serbia, which in turn triggered a series of events that resulted in Austria-Hungary's allies and Serbia's declaring war on each other, starting World War I.
Robert A Davis died on 31 Oct 1924 at the age of 77