Theme

History of Science

Pivotal moments in science across human history.

Codification of Aboriginal Songlines Across Australia ScienceCodification of Aboriginal Songlines Across Australiac. 5000 BCE onwards · Central AustraliaAboriginal peoples develop Songlines that map the continent through oral narratives and star paths.Final Domestication of Maize from Teosinte in Mesoamerica ScienceFinal Domestication of Maize from Teosinte in Mesoamericac. 5000 BCE · Balsas River Valley, MexicoIndigenous farmers selectively breed teosinte into modern maize (corn).Domestication of the Turkey in Mesoamerica ScienceDomestication of the Turkey in Mesoamericac. 1000 BCE · Central MexicoAncient Mesoamericans successfully domesticate the wild turkey for meat and ritual feathers.Development of Linear A Script by Minoans ScienceDevelopment of Linear A Script by Minoansc. 1800 BCE · Knossos, Crete (Greece)The Minoans develop Linear A, a still undeciphered writing system for administration.Sankore Madrasah Becomes a Center of Learning in Timbuktu ScienceSankore Madrasah Becomes a Center of Learning in Timbuktuc. 1450 CE · Timbuktu, MaliThe Sankore Madrasah emerges as a premier university for Islamic scholarship in West Africa.Survival of the Madrid Codex Amidst Destruction ScienceSurvival of the Madrid Codex Amidst Destructionc. 1450 CE · Maya Region (Yucatán), MexicoThe Madrid Codex is created just before the Spanish destruction of Maya books.Adoption of Linear B by Mycenaean Greeks in Crete ScienceAdoption of Linear B by Mycenaean Greeks in Cretec. 1450 BCE · Knossos, Crete (Greece)Mycenaean Greeks conquer Knossos and adapt Minoan script to write their own language.Absence of Pottery in Māori Culture ScienceAbsence of Pottery in Māori Culturec. 1280 CE onwards · New ZealandMāori settlers abandon pottery making upon arrival in New Zealand due to lack of suitable clay and fuel.Creation of the Dresden Codex ScienceCreation of the Dresden Codexc. 1200 CE · Chichen Itza/Maya Region, MexicoMaya scribes compile the Dresden Codex containing advanced astronomical tables.Refinement of Polynesian Wayfinding Techniques ScienceRefinement of Polynesian Wayfinding Techniquesc. 1000 BCE to 1500 CE · Pacific Ocean (Society Islands)Polynesian navigators perfect star paths and ocean swells to traverse the vast Pacific without instruments.Diffusion of Sweet Potato (Kumara) to Polynesia ScienceDiffusion of Sweet Potato (Kumara) to Polynesiac. 1000 CE · South America to PolynesiaThe sweet potato, originally from South America, is transported across the Pacific by Polynesian voyagers.Establishment of the Babylonian Astronomical Observatories ScienceEstablishment of the Babylonian Astronomical Observatoriesc. 747 BCE · Babylon, IraqBabylonian priests begin systematic nightly recording of planetary movements and eclipses.Compilation of Ashurbanipal's Royal Library ScienceCompilation of Ashurbanipal's Royal Libraryc. 650 BCE · Nineveh (Mosul), IraqKing Ashurbanipal assembles the largest collection of cuneiform tablets in the ancient world.Refinement of the Maya Long Count Calendar System ScienceRefinement of the Maya Long Count Calendar Systemc. 361 BCE · Chiapa de Corzo, MexicoMaya scholars formalize the Long Count calendar for tracking deep historical time.Formal Adoption of Zero as a Placeholder in Maya Mathematics ScienceFormal Adoption of Zero as a Placeholder in Maya Mathematicsc. 361 BCE · Chiapas, MexicoMaya mathematicians independently invent and use zero in their vigesimal numeral system.Founding of the Library of Alexandria ScienceFounding of the Library of Alexandriac. 283 BCE · Alexandria, EgyptPtolemy I establishes the world's first great research center for collecting all human knowledge.Archimedes Formulates the Law of the Lever ScienceArchimedes Formulates the Law of the Leverc. 250 BCE · Syracuse, SicilyArchimedes mathematically defines the principle of the lever and buoyancy, founding classical mechanics.Founding of Nalanda University ScienceFounding of Nalanda Universityc. 450 CE · Rajgir, Bihar, IndiaKumaragupta I establishes Nalanda as a residential university, which becomes the world's first major center for higher learning and Buddhist scholarship.Construction of El Caracol Observatory at Chichen Itza ScienceConstruction of El Caracol Observatory at Chichen Itzac. 850 CE · Chichen Itza, MexicoMaya astronomers build a circular observatory aligned with Venus cycles.Refinement of the Astrolabe by Islamic Astronomers ScienceRefinement of the Astrolabe by Islamic Astronomersc. 900 CE · Baghdad, IraqPersian and Arab scholars perfect the astrolabe for navigation and timekeeping.Composition of the Mitakshara Law Code ScienceComposition of the Mitakshara Law Codec. 1100 CE · Kalyan (modern Karnataka/India)Vijnaneshwara writes the Mitakshara, a seminal commentary on Hindu law that influences legal systems across India.Maya Astronomical Tables in the Dresden Codex ScienceMaya Astronomical Tables in the Dresden Codexc. 1200 CE · Yucatán Peninsula, MexicoMaya astronomers record precise calculations for Venus cycles and eclipses.Publication of Newton's Principia SciencePublication of Newton's PrincipiaJuly 5, 1687 CE · Cambridge, EnglandIsaac Newton defines laws of motion and universal gravitation revolutionizing physics.Publication of Origin of Species SciencePublication of Origin of SpeciesNovember 24, 1859 CE · London, EnglandCharles Darwin proposes natural selection as the mechanism for evolution of life.Discovery of DNA Structure ScienceDiscovery of DNA StructureFebruary 28, 1953 CE · Cambridge, EnglandWatson and Crick identify the double helix structure of DNA revealing genetic code.Launch of Hubble Space Telescope ScienceLaunch of Hubble Space TelescopeApril 24, 1990 CE · Cape Canaveral, USASpace telescope deployed into orbit providing unprecedented deep space observations.