On May 4, 1493, Pope Alexander VI issued the papal bull 'Inter caetera' (Among other [works]), which granted to Spain all lands to the "west and south" of a pole-to-pole line 100 leagues west and south of any of the islands of the Azores or the Cape Verde islands.
On October 4, 1903, American physicist and inventor John Vincent Atanasoff was born. He is best known for being considered as one of the inventors of the electronic digital computer.
On September 23, 63 BC, Gaius Octavius aka Imperator Caesar Divi F. Augustus, founder of the Roman Empire and first Emperor was born. The Roman Empire as a follow up of the former Roman Republic existed for almost four centuries, before it was divided up into Western and Eastern Roman Empire. While the western port deceased to exist in the 5th century AD, the eastern part continued to prosper for almost a millenium until the Ottoman invasion in the 15th century.
On September 20, 450 AD, the Battle of the Catalaunian Plains also referred to as the Battle of Chalons took place. A coalition led by the Roman general Flavius Aëtius and the Visigothic king Theodoric I against the Huns and their allies commanded by their leader Attila faced each other in a decisive battle that should decide the fate of Europe and the whole Western civilization...
On August 17, 1586, German theologian, author, and mathematician Johann Valentin Andreae was born. He claimed to be the author of the Chymische Hochzeit Christiani Rosencreutz anno 1459 (1616, Strasbourg, the Chymical Wedding of Christian Rosenkreutz), one of the three founding works of Rosicrucianism, a philosophical secret society said to have been founded in late medieval Germany by Christian Rosenkreutz. Rosicrucianism holds a doctrine or theology "built on esoteric truths of the ancient past", which, "concealed from the average man, provide insight into nature, the physical universe and the spiritual realm."
On July 26, 1826, Cayetano Ripoll, a schoolmaster in Valencia, Spain, teaching deist principles should become the last victim executed by the Spanish inquisition. Ripoll has the dubious honor of being the last of the many people known to have been executed under sentence from a Church authority for having committed the act of heresy.
On July 29, 1805, French political thinker and historian Alexis de Tocqueville was born. He is best known for his Democracy in America, where he analyzed the rising living standards and social conditions of individuals and their relationship to the market and state in Western societies.
During the night of 23 to 24 July 1775, French criminal and criminalist Eugene Vidocq was born. Vidocq is considered the world's first private detective and father of modern criminology. His life story inspired several writers, including Victor Hugo and Honoré de Balzac.
On July 19, 64 AD, the Great Fire of Rome (Latin: Magnum Incendium Romae) occurred and continued burning until July 26 during the reign of emperor Nero. According to the Roman historian Tacitus three of the 14 city districts were completely burned down, in seven districts only debris and rubble was left from the former buildings, and only 4 districts were not affected.
On July 15, 1848, Italian engineer, sociologist, economist, political scientist and philosopher Vilfredo Federico Damaso Pareto was born. He made several important contributions to economics, particularly in the study of income distribution and in the analysis of individuals' choices. The Pareto principle was named after him and built on observations of his such as that 80% of the land in Italy was owned by 20% of the population.
On 5 July 1841, British pioneer of organized tourism Thomas Cook arranged to take a group of 540 temperance campaigners from Leicester Campbell Street station to a rally in Loughborough, eleven miles away. This led him to start his own business founding the world's first and most famous travel agency.
On June 24, 1519, Lucrezia Borgia, the daughter of Pope Alexander VI, and Vannozza dei Cattanei, passed away. Lucrezia's family later came to epitomize the ruthless Machiavellian politics and sexual corruption alleged to be characteristic of the Renaissance Papacy.
On May 29, 1880, German historian and philosopher Oswald Arnold Gottfried Spengler was born. He is best known for his book The Decline of the West (Der Untergang des Abendlandes), published in 1918 and 1922, covering all of world history. He proposed a new theory, according to which the lifespan of civilizations is limited and ultimately they decay.
On May 2nd, 1601 (or 1602), German Jesuit scholar Athanasius Kircher was born. He has published most notably in the fields of oriental studies, geology, and medicine, and has been compared to Leonardo da Vinci for his enormous range of interests. He is regarded as one of the founders of Egyptology for his (mostly fruitless) efforts in deciphering Egyptian hieroglyphs, wrote an encyclopedia about China, studied volcanos and fossils, was one of the very first to observe microbes thorough a microscope, and experimented with the laterna magica as a predecessor of photography.
On May, 1st, 1851, Queen Victoria opened the Great Exhibition in the Crystal Palace in Hyde Park, London, which was the first in a series of World's Fair exhibitions of culture and industry.
On April 27, 1737, English historian and Member of Parliament Edward Gibbon was born. His most famous work, The History of the Decline and Fall of the Roman Empire, was published in six volumes between 1776 and 1788 and is known for the quality and irony of its prose as well as for its scientific historic accuracy, which made it a model for later historians.
On April 21, 1989, Nintendo presented the 8-bit handheld video game device called Game Boy, the first handheld console. The Game Boy and its successor, the Game Boy Color, have been tremendous successful by combined selling 118.69 million units worldwide. Upon its release in the United States, it sold its entire shipment of one million units within weeks.
On Good Friday, April 14, 1865, as the American Civil War was drawing to a close, well known stage actor and Confederate spy John Wilkes Booth shot United States President Abraham Lincoln in the Presidential booth of the Ford's theatre in Washington, D.C. And Lincoln should not be the last US president to be assassinated. He was followed by James A. Garfield, William McKinley, and John F. Kennedy, and if we also take attempts and plots into account, we will end up with more than 20 sitting or former presidents. But, Abraham Lincoln, as being the 16th president of the United States, was the first and besides Kennedy the most famous.
On March 11, 1890, American engineer, inventor and science administrator Vannevar Bush was born. He is best known as as head of the U.S. Office of Scientific Research and Development (OSRD) during World War II, through which almost all wartime military research and development was carried out, including initiation of the Manhattan Project. In computer science we know Vannevar Bush as the father of the memex, an adjustable microfilm viewer with a structure analogous to that of the World Wide Web.
On March 7, 1765, French inventor Nicéphore Niépce was born, who is best known as one of the inventors of photography and a pioneer in the field. He developed heliography, a technique used to produce the world's first known photograph in 1825.
On March 2, 1544, English diplomat and scholar Sir Thomas Bodley was born. His greatest achievement was the re-founding of the library at Oxford that was named in his honor. Moreover, he established new ideas and practices library of which also modern libraries stil benefit today.
On February 23, 1633, English naval administrator and Member of Parliament Samuel Pepys was born, who is now most famous for the diary he kept for a decade while still a relatively young man. The detailed private diary Pepys kept from 1660 until 1669 was first published in the 19th century, and is one of the most important primary sources for the English Restoration period.
On February 13, 1946, J. Presper Eckert and John Mauchly introduced Electronic Numerical Integrator and Computer, or ENIAC, the first general purpose, electronic computer. ENIAC was a giant step forward in computing technology.
On February 10, 1840, Queen Victoria of the United Kingdom of Great Britain and Ireland married her first cousin, Prince Albert of Saxe-Coburg and Gotha.
On January 17, 1685, Armenian merchant Johannes Diodato was granted the privilege to serve coffee in the city of Vienna, the former capital of the Holy Roman empire. Thus, Johannes Diodato opened the very first coffeehouse in Vienna and the habit of coffee drinking soon spread over Europe.
On January 1, 1983, the ARPANET as predecessor of today's internet is switched from NCP (Network Control Protocol) to the TCP/IP protocol, and thus became the internet.
On November 27, 1852, Augusta Ada King, Countess of Lovelace, who is considered to be the world's very first programmer, passed away. Every student of computer science should have heart of the world's first programmer, Ada Countess of Lovelace, assistant to Charles Babbage, inventor of the very first programmable (mechanical) computer, the analytical engine.
On November 23, 912 AD, Otto I, also referred to as Otto the Great, emperor of the Holy Roman Empire and founder of the Ottonian dynasty of German emperors, was born
On November 19, 1807, British chemist and inventor Humphry Davy reported to the Royal Society about the isolation of potassium and sodium from different salts by electrolysis. Davy was one of the pioneers in the field of electrolysis using the newly invented voltaic pile to split up common compounds and thus prepare many new elements.
On November 15, 1971, Intel presented the Intel 4004 microprocessor, the world's very first commercially available 4-bit central processing unit (CPU). It was the first complete CPU on one chip. By the time, this revolutionary microprocessor, the size of a little fingernail, delivered the same computing power as the first electronic computer built in 1946, which filled an entire room.
On November 11, 1493, Philippus Aureolus Theophrastus Bombastus von Hohenheim, aka Paracelsus, the famous Renaissance physician, botanist, alchemist, astrologer, and general occultist was born.
On November 5, 1605, the famous Gunpowder Plot planning the assassination of King James I of England was uncovered and Guy Fawkes as one of its leaders was arrested, convicted and sentenced to be hanged, drawn and quartered.
On October 24, 1632, the Dutch tradesman and scientist Antonie van Leeuwenhoek, the inventor of the microscope, was born. He is commonly known as "the Father of Microbiology", and considered to be the first microbiologist.
On October 23, 1635, German astronomer and mathematician Wilhelm Schickard, who constructued the very first mechanical calculator, passed away. His famous calculator was able to perform additions and subtractions. For more complicated operations, it provided so-called Napier bones, named after the Scottish mathematician John Napier, who came up with the idea of logarithms. Although it is widely believed that the first mechanical calculating device was created by the French mathematician Blaise Pascal in 1642. However, that distinction actually belongs to Wilhelm Schickard.
On October 19, 1806, the famous German writer, artist, and politician, Johann Wolfgang von Goethe, finally got married with his mistress Christiane Vulpius after having lived together quasi-maritally since 1788, to the scandal of the ladies of Weimar and the vexation of Bettina von Arnim-Brentano.
On October 11, 1745, German cleric Ewald Georg von Kleist and independently of him Dutch scientist Pieter van Musschenbroek from the city of Leiden, Netherlands, invented a predecessor of today's battery, the Leyden Jar.
The Wall Street Crash of 1929, also known as the Great Crash and the Stock Market Crash of 1929, began in late October 1929 and was the most devastating stock market crash in the history of the United States.
On September 23, 1215 AD Kublai Khan, the second son of Tolui and Sorghaghtani Beki, and a grandson of Genghis Khan, was born. Considering the Mongol Empire at that time as a whole, his realm reached from the Pacific to the Black Sea, from Siberia to modern day Afghanistan – one fifth of the world's inhabited land area.
On September 16, 1620, the famous transport ship Mayflower started its first voyage to the new world with English and Dutch separatists on board and arriving Plymouth, Massachusetts in the same year.
On September 15, 1254, the Venetian merchant traveler Marco Polo was born. He is best known for his journeys to Central Asia and China, narrated in the book 'The Travels of Marco Polo'.
On September 1, 1902, the French film pioneer George Méliès presented the very first science fiction movie to the stunning public of the Paris Olympia theater.
On August 31, 1888, the mutilated body of Mary Ann Nichols was found in Whitechapel, London. Her death has been attributed to the notorious unidentified serial killer Jack the Ripper, who is believed to have killed and mutilated five women in the Whitechapel area of London in 1888.
On August 21, 1911 during intensive repair and renovation work the Louvre Museum realized that Leonardo Da Vinci's most famous painting, the Mona Lisa, was stolen.