The History Portal
History by Frederick Dielman
History (derived from Ancient Greek ἱστορία (historía) 'inquiry; knowledge acquired by investigation') is the systematic study and documentation of the human past. History is an academic discipline which uses a narrative to describe, examine, question, and analyse past events, and investigate their patterns of cause and effect. Historians debate which narrative best explains an event, as well as the significance of different causes and effects. Historians debate the nature of history as an end in itself, and its usefulness in giving perspective on the problems of the present.
The period of events before the invention of writing systems is considered prehistory. "History" is an umbrella term comprising past events as well as the memory, discovery, collection, organization, presentation, and interpretation of these events. Historians seek knowledge of the past using historical sources such as written documents, oral accounts or traditional oral histories, art and material artifacts, and ecological markers.
Stories common to a particular culture, but not supported by external sources (such as the tales surrounding King Arthur), are usually classified as cultural heritage or legends. History differs from myth in that it is supported by verifiable evidence. However, ancient cultural influences have helped create variant interpretations of the nature of history, which have evolved over the centuries and continue to change today. The modern study of history is wide-ranging, and includes the study of specific regions and certain topical or thematic elements of historical investigation. History is taught as a part of primary and secondary education, and the academic study of history is a major discipline in universities.
Herodotus, a 5th-century BCE Greek historian, is often considered the "father of history", as one of the first historians in the Western tradition, though he has been criticized as the "father of lies". Along with his contemporary Thucydides, he helped form the foundations for the modern study of past events and societies. Their works continue to be read today, and the gap between the culture-focused Herodotus and the military-focused Thucydides remains a point of contention or approach in modern historical writing. In East Asia a state chronicle, the Spring and Autumn Annals, was reputed to date from as early as 722 BCE, though only 2nd-century BCE texts have survived. The title "father of history" has also been attributed, in their respective societies, to Sima Qian, Ibn Khaldun, and Kenneth Dike. (Full article...)
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Did you know (auto generated)
- ... that the developers of The Pale Beyond were inspired by stories from historical Antarctic and Arctic expeditions?
- ... that throughout the history of education in Wales, schools have been held in monastic settlements, cathedrals, residential houses, marketplaces, barns, churches, and village halls?
- ... that Voyager 2 has been transmitting data for more than 46 years, making it the oldest active space probe in history?
- ... that despite his distinguished family history, musicologist Yuri Shcherbinin told friends that "what matters most is what you are, not who your ancestors were"?
- ... that Frederica Planta designed cards to teach the children of George III and Queen Charlotte the history of England?
- ... that the Morris County Park Commission in New Jersey oversees over 20,000 acres (8,100 ha) of land, including a marina, an ice skating arena, a horse stable, a historical farm, and a gristmill?
Enrico Fermi (Italian: [enˈriːko ˈfermi]; 29 September 1901 – 28 November 1954) was an Italian and naturalized American physicist, renowned for being the creator of the world's first artificial nuclear reactor, the Chicago Pile-1, and a member of the Manhattan Project. He has been called the "architect of the nuclear age" and the "architect of the atomic bomb". He was one of very few physicists to excel in both theoretical physics and experimental physics. Fermi was awarded the 1938 Nobel Prize in Physics for his work on induced radioactivity by neutron bombardment and for the discovery of transuranium elements. With his colleagues, Fermi filed several patents related to the use of nuclear power, all of which were taken over by the US government. He made significant contributions to the development of statistical mechanics, quantum theory, and nuclear and particle physics.
Fermi's first major contribution involved the field of statistical mechanics. After Wolfgang Pauli formulated his exclusion principle in 1925, Fermi followed with a paper in which he applied the principle to an ideal gas, employing a statistical formulation now known as Fermi–Dirac statistics. Today, particles that obey the exclusion principle are called "fermions". Pauli later postulated the existence of an uncharged invisible particle emitted along with an electron during beta decay, to satisfy the law of conservation of energy. Fermi took up this idea, developing a model that incorporated the postulated particle, which he named the "neutrino". His theory, later referred to as Fermi's interaction and now called weak interaction, described one of the four fundamental interactions in nature. Through experiments inducing radioactivity with the recently discovered neutron, Fermi discovered that slow neutrons were more easily captured by atomic nuclei than fast ones, and he developed the Fermi age equation to describe this. After bombarding thorium and uranium with slow neutrons, he concluded that he had created new elements. Although he was awarded the Nobel Prize for this discovery, the new elements were later revealed to be nuclear fission products. (Full article...)
On this day
- 1899 – Philippine–American War: A 60-man Filipino rearguard was defeated at the Battle of Tirad Pass, but delayed the American advance long enough to ensure President Emilio Aguinaldo's escape.
- 1943 – World War II: The Luftwaffe conducted a surprise air raid on Allied ships in Bari, Italy, sinking twenty-eight vessels and releasing one ship's secret cargo of mustard gas.
- 1956 – Cuban Revolution: The yacht Granma, carrying Fidel Castro, Che Guevara and 80 other members of the 26th of July Movement, reached the shores of Cuba.
- 1988 – Benazir Bhutto (pictured) took office as Prime Minister of Pakistan, becoming the first woman to head the government of a Muslim-majority state.
- 2001 – Less than two months after disclosing accounting violations, the Texas-based energy firm Enron filed for Chapter 11 bankruptcy, evaporating nearly $11 billion in shareholder wealth.
- John Breckinridge (b. 1760)
- William Burges (b. 1827)
- Aaron Copland (d. 1990)
- Shyam Swarup Agarwal (d. 2013)
Selected quote
Our march to freedom is irreversible. We must not allow fear to stand in our way.
— Nelson Mandela, 1st South African President
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More Did you know...
- ... that the underground Fortress of Mimoyecques (pictured) was built by Nazi Germany to bombard London with 10 shells a minute using the V-3 supergun?
- ... that Howard P. Perry was the first African American recruit in the United States Marine Corps?
- ... that the Chester city walls form the most complete circuit of Roman and medieval defensive town walls in Britain?
- ... that China's first female director was adopted by the first Premier of the People's Republic of China?
- ... that the Medieval Merchant's House in Southampton was being used as a brothel when bomb damage during the Blitz revealed the building's important medieval architecture?
- ... that the Sumerian "river of paradise", the Hubur, derived partly from real geography before becoming a demonic fantasy?
- ... that Bill Foley's photograph "The Last Smile" shows Anwar Sadat only moments before his assassination?
- ... that the 1911 Sarez earthquake triggered a huge landslide, forming the tallest dam in the world?
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