Nature & Life
Before nations, before writing — life itself was rewriting the rules. From healing to harvest, the deepest timeline of all.
Biology (76)Evolution (40)Human Evolution (36)Geology (73)Climate (35)Agriculture (37)Medicine (43)
218 events
All Nature & Life Events
Formation of the Sun
4.6 billion years ago · Prehistoric
Physics/CosmologyAstronomyGeology
Formation of the Solar System
4.6 billion years ago · Prehistoric
Physics/CosmologyAstronomyGeology
Formation of Planet Earth
4.54 Billion years ago · Prehistoric
Physics/CosmologyGeology
Moon-Forming Giant Impact
c. 4.5 Billion years ago · Prehistoric
AstronomyGeologyClimate
Formation of Jupiter: Birth of the Solar System's Giant
c. 4.5 Billion years ago · Prehistoric
AstronomyGeology
Formation of Mars: Birth of the Red Planet
c. 4.5 Billion years ago · Prehistoric
AstronomyGeology
Earth's Hadean Ocean Condenses from Volcanic Outgassing
c. 4.41 Billion years ago · Prehistoric
GeologyClimate
Formation of Earth's Oldest Known Minerals
c. 4.4 Billion years ago · Prehistoric
Geology
Delivery of Organic Compounds via Meteorites
c. 4.5-3.8 Billion years ago · Prehistoric
GeologyChemistryBiology
Late Heavy Bombardment
c. 4.0-3.8 Billion years ago · Prehistoric
GeologyChemistry
Peak of the Late Heavy Bombardment
c. 3.9 Billion years ago · Prehistoric
AstronomyGeology
Synthesis of First Prebiotic RNA and DNA Building Blocks
c. 4.0-3.7 Billion years ago · Prehistoric
Geology
Formation of Lunar Orientale Basin During Late Heavy Bombardment
c. 3.8 Billion years ago · Prehistoric
AstronomyGeology
Nuvvuagittuq Greenstone Belt Formation
c. 3.77 Billion years ago · Prehistoric
Geology
Isua Greenstone Belt Banded Iron Formation
c. 3.8-3.7 Billion years ago · Prehistoric
GeologyChemistryBiology
Earth's Core Dynamo Generates a Sustained Magnetic Field
c. 3.7 Billion years ago · Prehistoric
GeologyPhysics/Cosmology
Earliest Evidence of Life on Earth
3.5 Billion years ago · Prehistoric
GeologyBiologyEvolution
Microbial Mat Ecosystems Established
c. 3.5 BYA · Prehistoric
BiologyGeology
Dresser Formation Stromatolites Form
c. 3.48 Billion years ago · Prehistoric
GeologyBiology
Earliest Evidence of Terrestrial Life
c. 3.48 Billion years ago · Prehistoric
GeologyBiology
Apex Chert Microfossil Controversy
c. 3.46 Billion years ago · Prehistoric
GeologyBiologyEvolution
Strelley Pool Stromatolites Form
c. 3.43 Billion years ago · Prehistoric
GeologyBiology
Chemosynthetic Microfossils in Barberton Hydrothermal Veins
c. 3.42 BYA · Prehistoric
BiologyChemistry
Earliest Evidence of Anoxygenic Photosynthesis
c. 3.4 BYA · Prehistoric
GeologyBiologyEvolution
Sulfur-Based Biosignatures Preserved in Archean Sediments
c. 3.2 BYA · Prehistoric
GeologyBiologyChemistry
Earliest Evidence of Microbial Sulfur Metabolism
c. 3.2 BYA · Prehistoric
GeologyChemistryBiology
Onset of Plate Tectonics on Earth
c. 3.18 Billion years ago · Prehistoric
Geology
Emergence of Oxygenic Photosynthesis
c. 3.0-2.7 BYA · Prehistoric
GeologyBiologyEvolution
Great Oxidation Event
2.4 Billion Years ago · Prehistoric
GeologyChemistryBiology
Great Oxidation Event Transforms Earth's Atmosphere
c. 2.3 BYA · Prehistoric
GeologyBiologyChemistry
Huronian Glaciation: Earth's First Global Ice Age
c. 2.4-2.1 BYA · Prehistoric
GeologyClimateBiology
Francevillian Biota: Early Evidence of Macroscopic Organisms
c. 2.1 BYA · Prehistoric
GeologyBiologyEvolution
Lomagundi Carbon Isotope Excursion
c. 2.2-2.0 BYA · Prehistoric
GeologyBiology
Endosymbiotic Acquisition of Mitochondria
c. 2 billion years ago · Prehistoric
BiologyEvolution
Emergence of Eukaryotic Cells
c. 1.8-1.6 BYA · Prehistoric
BiologyEvolution
Bangiomorpha pubescens: Earliest Confirmed Eukaryotic Algae
c. 1.2 BYA · Prehistoric
BiologyEvolution
Rodinia Supercontinent Formation
c. 1.1 BYA · Prehistoric
Geology
Grenvillian Orogeny
c. 1.1-1.0 BYA · Prehistoric
Geology
Rodinia Supercontinent Breakup Begins
c. 750 MYA · Prehistoric
Geology
Snowball Earth Episodes: Global Glaciations
c. 720-635 MYA · Prehistoric
GeologyClimateBiology
Evolution of Collagen and Structural Proteins
c. 600 MYA · Prehistoric
BiologyEvolution
Doushantuo Formation Microfossils: Evidence of Early Animal Embryos
c. 600-550 MYA · Prehistoric
Evolution
Doushantuo Fossils Reveal Cell Differentiation and Signaling
c. 600 MYA · Prehistoric
BiologyEvolution
Ediacaran Biota Emerges: First Complex Multicellular Organisms
c. 575 MYA · Prehistoric
BiologyEvolution
Cambrian Explosion
538.8 million years ago · Prehistoric
GeologyBiologyEvolution
Late Ordovician Glaciation and Mass Extinction
c. 445 Million years ago · Prehistoric
ClimateBiologyGeology
Caledonian Orogeny
c. 490-390 MYA · Prehistoric
Geology
Closure of the Rheic Ocean
c. 340 MYA · Prehistoric
Geology
Formation of Pangaea
335 million years ago · Prehistoric
GeologyEvolution
Carboniferous Rainforest Collapse
c. 305 Million years ago · Prehistoric
ClimateBiologyEvolution
Mesozoic Era
252 Million years ago · Prehistoric
GeologyBiologyEvolution
Permian-Triassic Extinction: The End-Permian Die-Off
c. 252 MYA · Prehistoric
BiologyEvolutionGeology
Early Triassic Period
251 Million years ago · Prehistoric
GeologyBiologyEvolution
Herrerasaurus: Triassic Theropod Predator
c. 231 million years ago · Prehistoric
BiologyEvolution
First Mammaliaforms Emerge
225 Million years ago · Prehistoric
BiologyEvolution
Late Triassic Period
225 Million years ago · Prehistoric
BiologyEvolution
Jurassic Period
201-145 Million years ago · Prehistoric
BiologyEvolution
Late Jurassic Period
163.5-145 Million years ago · Prehistoric
BiologyEvolution
Stegosaurus Evolution
150 Million years ago · Prehistoric
BiologyEvolution
Cretaceous Period
145 Million years ago · Prehistoric
GeologyBiologyEvolution
Late Cretaceous Period
125 Million years ago · Prehistoric
BiologyEvolution
Oceanic Anoxic Event 2 Triggers the Cretaceous Thermal Maximum
c. 93.9 Million years ago · Prehistoric
ClimateGeologyBiology
Formation of the Caribbean Volcanic Arc
c. 80 MYA · Prehistoric
Geology
Laramidia Emerges as Island Continent
c. 80 MYA · Prehistoric
GeologyEvolution
T-Rex lived
68 Million years ago · Prehistoric
GeologyBiologyEvolution
Chicxulub Impact: Mass Extinction
66 Million years ago · Prehistoric
GeologyBiologyEvolution
Paleocene-Eocene Thermal Maximum
c. 56 MYA · Prehistoric
ClimateBiologyGeology
India-Eurasia Collision Begins Closing the Neo-Tethys Ocean
c. 50 MYA · Prehistoric
GeologyClimate
Arctic Azolla Bloom Draws Down Atmospheric CO2
c. 49 MYA · Prehistoric
ClimateBiologyGeology
Drake Passage Opens
c. 34 MYA · Prehistoric
GeologyClimate
Oligocene Epoch begins
33.9 million to 23 million years ago · Prehistoric
Geology
Miocene Grassland Ecosystems Spread Across Continents
c. 25-20 MYA · Prehistoric
BiologyEvolutionClimate
Mediterranean Desiccates During the Messinian Salinity Crisis
c. 5.96 MYA · Prehistoric
ClimateGeology
Ardipithecus ramidus Fossils Recovered at Aramis
1992-1994 (species dated 4.4 million years ago) · Prehistoric
Human Evolution
Laetoli Hominin Footprint Trails Excavated
1976-1978 (footprints dated 3.66 million years ago) · Prehistoric
Human Evolution
Homo habilis Classification
2.3 million years ago · Prehistoric
BiologyEvolutionHuman Evolution
Australopithecus sediba Discovered at Malapa
August 15, 2008 · Prehistoric
Human Evolution
Olduvai Gorge: Earliest Stone Tool Technology
c. 2.0-1.7 million BCE · Prehistoric
Human EvolutionTechnology
Emergence of Acheulean Hand Axe Technology
c. 1.76 million BCE · Prehistoric
Human EvolutionTechnology
Homo erectus: First Migration Out of Africa
c. 1.8-1.7 million BCE · Prehistoric
BiologyEvolutionHuman Evolution
Earliest Evidence of Hominin Fire Use at Gesher Benot Ya'aqov
780,000 years ago · Prehistoric
Human EvolutionTechnologyChemistry
Trinil Shell Engravings by Homo erectus
c. 540,000-430,000 BCE · Prehistoric
Human EvolutionTechnologyLanguage
Schöningen Spears: Earliest Wooden Hunting Weapons
c. 400,000-380,000 BCE · Prehistoric
Human EvolutionTechnologyWar
Bilzingsleben Bone Engravings: Organized Symbolic Markings
c. 370,000 BCE · Prehistoric
Human EvolutionLanguage
Oldest Homo Sapiens Fossils
315,000 years ago · Prehistoric
Human Evolution
Homo naledi Discovered in Rising Star Cave
2013-2015 (species dated 335,000-236,000 years ago) · Prehistoric
Human Evolution
Berekhat Ram Figurine: Earliest Anthropomorphic Carving
c. 280,000-250,000 BCE · Prehistoric
Human EvolutionArt
Qafzeh Cave: Early Symbolic Ochre Use
c. 100,000-90,000 BCE · Prehistoric
Human EvolutionReligion
Denny: First-Generation Neanderthal-Denisovan Hybrid
c. 90,000 BCE · Prehistoric
BiologyHuman Evolution
Homo floresiensis Unearthed at Liang Bua Cave
2003 (species dated 100,000-50,000 years ago) · Prehistoric
Human Evolution
Toba Supervolcano Eruption Triggers Global Volcanic Winter
c. 74,000 BCE · Prehistoric
ClimateGeologyHuman Evolution
Symbolic Marking Tradition at Blombos Cave
c. 75,000 years ago · Prehistoric
Human EvolutionLanguageArt
Earliest Abstract Engravings at Blombos Cave
c. 70,000 BCE · Prehistoric
Human EvolutionArtLanguage
Neanderthal Cave Art in Spain
c. 65,000 BCE · Prehistoric
Human EvolutionArt
Madjedbebe Rock Shelter Dated to c. 65,000 BCE
c. 65,000 BCE · Prehistoric
Human Evolution
Neanderthal Burial at La Chapelle-aux-Saints
60,000 years ago · Prehistoric
Human EvolutionCulture
First Musical Instruments: Aurignacian Bone Flutes
c. 43,000-40,000 BCE · Prehistoric
Human EvolutionArtReligion
Denisovan DNA Discovered in Modern Human Populations
c. 50,000-30,000 BCE · Prehistoric
Human Evolution
Lion Man of Hohlenstein-Stadel: Earliest Figurative Sculpture
c. 40,000-35,000 BCE · Prehistoric
Human EvolutionArtReligion
Divergence of Dogs from Wolf Populations
c. 23,000-15,000 years ago · Prehistoric
Human EvolutionBiology
Solutrean Atlatl at Combe Sauniere
c. 17,500 BCE · Prehistoric
Human EvolutionTechnology
Earliest Migration Across Beringia
16,500 BCE · Prehistoric
EngineeringHuman Evolution
Opening of the Ice-Free Corridor
c. 14000 BCE · Prehistoric
ClimateExploration
Younger Dryas Period Begins
12,900 to 11,700 years ago · Prehistoric
Climate
Tell Abu Hureyra Neolithic Settlement
c. 11,500-7,000 BCE · Prehistoric
AgricultureCultureClimate
Earliest Known Rye Cultivation at Tell Abu Hureyra
c. 11,000 BCE · Prehistoric
AgricultureClimateHuman Evolution
The Agricultural Revolution
10,000 BC · Prehistoric
BiologyEvolutionTechnology
Leanderthal Lady
10,000 BCE · Prehistoric
Human Evolution
Early Walled Settlement at Jericho
c. 9600-8000 BCE · Prehistoric
CultureAgricultureEconomics
African Humid Period: The Green Sahara
c. 9000 BCE · Prehistoric
ClimateAgriculture
Domestication of Sweet Potato in Peru
c. 8000 BCE · Prehistoric
Agriculture
First Clay Token Accounting System
c. 8000-7500 BCE · Prehistoric
TechnologyLanguageMathematics
Çatalhöyük: Neolithic Settlement
c. 7500-5600 BCE · Prehistoric
AgricultureEconomics
Rice Domestication in the Yangtze Delta
c. 7000 BCE · Prehistoric
Agriculture
Mehrgarh Neolithic Settlement
c. 7000-5500 BCE · Prehistoric
AgricultureTechnologyCulture
Domestication of Teosinte into Maize
c. 7000 BCE · Prehistoric
Agriculture
Ubaid Irrigation Canals Transform Southern Mesopotamia
c. 5500 BCE · Prehistoric
AgricultureTechnologyEconomics
Yangshao Millet Agricultural Revolution
c. 5000-3000 BCE · Prehistoric
AgricultureClimateCulture
Sumerian Civilization Emerges
-5000 · Prehistoric
AgricultureEconomics
Oldest Known Winery Established
4100 BCE · Prehistoric
AgricultureEconomics
Emergence of Uruk: Early Mesopotamian Metropolis
c. 4000 BCE · Prehistoric
AgricultureEconomicsReligion
End of the Green Sahara: North African Desertification
c. 3500 BCE · Prehistoric
ClimateCulture
Ancient Plow Invented
3500 BC · Prehistoric
TechnologyAgriculture
Norte Chico Civilization Founded
3,500 BCE · Prehistoric
AgricultureEconomics
4.2 Kiloyear Drought Triggers Akkadian Empire Collapse
c. 2200 BCE · Ancient World
ClimatePolitics
Maya Preclassic Period Emergence
2000-250 BCE/CE · Ancient World
Agriculture
Edwin Smith Papyrus: Empirical Approach to Surgery
c. 1600 BCE · Ancient World
Medicine
Eruption of Santorini (Thera)
c. 1600 BCE · Ancient World
GeologyClimateCulture
Ebers Papyrus: Egyptian Medical Text
c. 1550 BCE · Ancient World
Medicine
Origins of the Nok Culture
c. 1500-1000 BCE · Ancient World
ArtTechnologyCulture
Chinese Bronze and Seal Scripts: Evolution of Writing
c. 1400-221 BCE · Ancient World
EvolutionCultureLanguage
Hippocrates Establishes Medicine as a Rational Discipline
c. 400 BCE · Classical Antiquity
MedicinePhilosophy
Eruption of Vesuvius Buries Pompeii and Herculaneum
August 24, 79 CE · Classical Antiquity
GeologyCulture
Antonine Plague Spreads Across the Roman Empire
165-180 CE · Classical Antiquity
MedicinePolitics
Galen's Contributions to Medicine and Anatomy
c. 160-200 CE · Classical Antiquity
MedicineBiologyPhilosophy
Banana Cultivation Introduced to East Africa
c. 500 CE · Late Antiquity
AgricultureTechnologyCulture
Bantu Migration Reaches Southern Africa
c. 500 CE · Late Antiquity
CultureAgricultureLanguage
The Late Antique Dust Veil Event
536-540 CE · Late Antiquity
ClimateGeologyBiology
Justinian Plague: First Major Recorded Pandemic
541-549 CE · Late Antiquity
MedicinePolitics
Wari Empire Emerges in the Andes
c. 550-600 CE · Late Antiquity
PoliticsCultureEngineering
Austronesian Settlers Arrive in Madagascar
c. 650-800 CE · Late Antiquity
CultureAgricultureExploration
Sandstone Quarrying at Phnom Kulen
c. 802 CE · Late Antiquity
EngineeringGeology
Ibn Sina Completes the Canon of Medicine
1025 CE · Medieval
MedicinePhilosophy
Cahokia Reaches Peak Population
c. 1050-1100 CE · Medieval
CultureAgriculture
Little Ice Age Intensifies Across the Northern Hemisphere
c. 1300 CE · Medieval
Climate
The Black Death in Europe
1347-1352 AD · Medieval
Medicine
Columbus Makes First Landfall in the Americas
October 12, 1492 · Early Modern
AgricultureEconomics
Death of Huayna Capac During Epidemic
c. 1527 · Early Modern
PoliticsMedicine
Paracelsus Burns Avicenna's Canon at Basel
June 24, 1527 · Early Modern
MedicinePhilosophy
Vesalius Publishes De Humani Corporis Fabrica
1543 CE · Early Modern
Medicine
William Harvey Describes the Circulation of Blood
1628 CE · Early Modern
Medicine
Leeuwenhoek Begins Correspondence with Royal Society
1673 · Early Modern
Biology
Discovery of Microorganisms
1674 · Early Modern
Biology
Leeuwenhoek Measures Red Blood Cell Diameter
1674 · Early Modern
BiologyMedicine
Jethro Tull Develops the Seed Drill
1701 · Early Modern
AgricultureTechnology
Great Storm of 1703
November 26, 1703 · Early Modern
Climate
Crop Rotation Introduced in Norfolk
c. 1730 · Early Modern
Agriculture
Great Lisbon Earthquake
November 1, 1755 · Early Modern
Geology
Eli Whitney Born
1765 · Early Modern
TechnologyAgricultureEconomics
Cotton Gin Invented by Eli Whitney
1793 · Early Modern
TechnologyAgricultureEconomics
Edward Jenner Demonstrates the Smallpox Vaccine
May 14, 1796 · Early Modern
Medicine
Principle of Population Published
February, 1798 · Early Modern
BiologyEvolutionEconomics
Alexander von Humboldt's South American Expedition
1799-1804 · Early Modern
ExplorationBiologyClimate
Morphine First Isolated
1805 · 19th Century
Medicine
Cuvier Publishes Theory of Catastrophism
1812 · 19th Century
GeologyBiology
William Smith Publishes Geological Map of England
1815 · 19th Century
GeologyExploration
Mount Tambora Eruption Causes the Year Without a Summer
April 10, 1815 · 19th Century
ClimateGeology
Second Cholera Pandemic Begins
1826-1837 · 19th Century
Medicine
Charles Lyell Publishes Principles of Geology (First Volume)
January 1830 · 19th Century
GeologyEvolution
Darwin Reads Malthus's Essay on Population
September 28, 1838 · 19th Century
BiologyEvolutionPhilosophy
Great Irish Potato Famine
1845-1852 · 19th Century
Medicine
Discovery of Anesthesia
1846 · 19th Century
Medicine
Semmelweis Demonstrates Handwashing Prevents Childbed Fever
1847 CE · 19th Century
Medicine
Pasteur Proves Germ Theory of Disease
1861 CE · 19th Century
MedicineBiology
Lister Introduces Antiseptic Technique in Surgery
August 12, 1865 · 19th Century
Medicine
Mendel Publishes His Paper on Genetics
1866 · 19th Century
MedicineAgriculture
Robert Koch Identifies Tuberculosis Bacillus
March 24, 1882 · 19th Century
MedicineBiology
Krakatoa Erupts in the Sunda Strait
August 27, 1883 · 19th Century
ClimateGeology
Wilhelm Röntgen Discovers X-Rays
1895 · 19th Century
Physics/CosmologyMedicine
Arrhenius Calculates CO2-Driven Warming
1896 · 19th Century
ClimateChemistry
Mount Pelée Eruption
1902 · 20th Century
Geology
Marie Curie Isolates Radium
April 1902 · 20th Century
ChemistryMedicine
Tunguska Event Flattens Siberian Forest
June 30, 1908 · 20th Century
AstronomyGeology
Haber and Bosch Develop Synthetic Nitrogen Fixation
1909 · 20th Century
ChemistryAgricultureEngineering
Burgess Shale Fossils Discovered by Walcott
August 30, 1909 · 20th Century
BiologyEvolution
Great Kanto Earthquake
September 1, 1923 · 20th Century
Geology
Vavilov Maps the Centers of Crop Plant Origin
1926 · 20th Century
AgricultureBiology
Folsom Site Excavation Confirms Ice Age Human Presence in the Americas
1926-1927 · 20th Century
CultureHuman Evolution
Alexander Fleming Discovers Penicillin
September 1928 · 20th Century
MedicineBiology
Clovis Site Discovered
1929-1932 · 20th Century
Human EvolutionExploration
Florey and Chain Develop Penicillin for Clinical Use
1940-1941 · 20th Century
MedicineChemistry
Milankovitch Publishes Orbital Climate Theory
1941 · 20th Century
ClimateMathematics
Barbara McClintock Discovers Transposable Elements
1948 · 20th Century
BiologyAgriculture
Soviet Space Medicine Program Established
1951 · 20th Century
MedicineEngineering
Rosalind Franklin Captures X-ray Image of DNA
May 1952 · 20th Century
BiologyChemistry
Discovery of DNA Double Helix Structure
April 25, 1953 · 20th Century
BiologyMedicineChemistry
Salk Polio Vaccine Declared Safe and Effective
April 12, 1955 · 20th Century
Medicine
Keeling Begins Continuous Atmospheric CO2 Measurement at Mauna Loa
March 29, 1958 · 20th Century
ClimateChemistry
Borlaug's Semi-Dwarf Wheat Varieties Released in Mexico
1962 · 20th Century
AgricultureBiology
Rachel Carson Publishes Silent Spring
September 27, 1962 · 20th Century
ClimateBiology
J. Tuzo Wilson Proposes Plate Tectonic Cycle
1966 · 20th Century
Geology
Australopithecus afarensis Lucy Skeleton Discovered
November 24, 1974 · 20th Century
Human Evolution
Monte Verde Excavation Documents Pre-Clovis Habitation in Chile
1977-1985 · 20th Century
CultureHuman Evolution
WHO Declares Smallpox Eradicated
May 8, 1980 · 20th Century
Medicine
Mount St. Helens Erupts in Lateral Blast
May 18, 1980 · 20th Century
GeologyClimate
Bhopal Gas Disaster
December 3, 1984 · 20th Century
ChemistryMedicine
Human Genome Project Launched
1990 · 20th Century
Medicine
Mount Pinatubo Eruption Cools Global Climate
June 15, 1991 · 20th Century
ClimateGeology
SARS Coronavirus Outbreak Emerges in China
November 2002 - July 2003 · 21st Century
Medicine
Kariko and Weissman Publish mRNA Nucleoside Modification Research
2005 · 21st Century
MedicineBiology
Discovery of Denisovans: A New Human Species
2010 CE · 21st Century
BiologyEvolutionHuman Evolution
FAO Declares Global Eradication of Rinderpest
June 28, 2011 · 21st Century
AgricultureMedicineBiology
Doudna and Charpentier Publish CRISPR-Cas9 Gene Editing Method
June 28, 2012 · 21st Century
BiologyMedicineChemistry
COVID-19 Pandemic Outbreak
2020 AD · 21st Century
Medicine
Introduction of the First COVID-19 Vaccines
2020 · 21st Century
Medicine
Scientists Release First Human Genome Map
May 10, 2023 · 21st Century
BiologyMedicine
Surgeons Perform Living Patient Pig Kidney Transplant
March 16, 2024 · 21st Century
MedicineBiology
USDA Confirms Bird Flu in US Dairy Cattle
March 25, 2024 · 21st Century
BiologyMedicineAgriculture