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2,988 definitions
1,761 articles
19,837 illustrations
2,642 videos
415 3D images
16,224 translations
48 languages
1,336 contributors
15,563 keywords
59,961 registered users
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Ancient Period

Foundation Decree of Cyrene
Definition

Foundation Decree of Cyrene

The Foundation Decree of Cyrene (c. 322 BCE) is a covenant between the citizens of Cyrene in North Africa in the 4th century BCE and those of their mother-state of Thera granting...
Thanatos
Definition

Thanatos

Thanatos is the personification of Death in Greek mythology. He is the son of Nyx (Night) and the twin brother of Hypnos (Sleep). Some sources also name Erebus (Darkness) as his father. As the...
Galen
Definition

Galen

Galen (129-216 CE) was a Greek physician, author, and philosopher, working in Rome, who influenced both medical theory and practice until the middle of the 17th century CE. Owning a large, personal...
Wu Zetian
Definition

Wu Zetian

Empress Wu Zetian (Empress Consort Wu, Wu Hou, Wu Mei Niang, Mei-Niang, and Wu Zhao, l. 624-705 CE, r. 690-704 CE) was the only female emperor of Imperial China. She reigned during the Tang Dynasty...
Poppaea Sabina
Definition

Poppaea Sabina

Poppaea Sabina (30-65 CE) was the wife of Praetorian prefect Rufrius Crispinius and then Marcus Salvius Otho (r. 69 CE) before she became the second wife of Roman emperor Nero (r. 54-68 CE...
Ancient Greek Clothing
Article

Ancient Greek Clothing

Ancient Greek clothing developed from the Minoan Civilization of Crete (2000-1450 BCE) through the Mycenean Civilization (1700-1100 BCE), Archaic Period (8th century to c. 480 BCE...
Gordium
Definition

Gordium

Gordium was the capital of ancient Phrygia, modern Yassihüyük. It is situated on the place where the ancient Royal road between Lydia and Assyria/Babylonia crosses the river Sangarius, which flows...
Ancient Egyptian Warfare
Definition

Ancient Egyptian Warfare - The Force That Built an Empire

Ancient Egyptian Warfare developed from an army of conscripts in the Pre-Dynastic Period (circa 3150-2613 BCE) through the early era of the Middle Kingdom...
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Medieval Period

The Seven Voyages of Zheng He
Article

The Seven Voyages of Zheng He

Admiral Zheng He (aka Cheng Ho, c. 1371-1433 CE) was a Chinese Muslim eunuch explorer who was sent by the Ming dynasty emperor Yongle (r. 1403-1424 CE) on seven diplomatic missions...
Alexander I of Scotland
Definition

Alexander I of Scotland

Alexander I of Scotland reigned from 1107 to 1124 CE. Alexander continued the reorganisation of the Scottish Church, taking the Roman Catholic Church organisation as a model, and he...
Jan van Eyck
Definition

Jan van Eyck

Jan van Eyck (c. 1390-1441 CE) was a Netherlandish Renaissance painter who was famous in his own lifetime for his mastery of oil painting, colouring, naturalistic scenes, and eye for detail...
Chepstow Castle
Definition

Chepstow Castle - Britain's Oldest Stone Castle

Chepstow Castle, located in Monmouthshire, South Wales, was first built c. 1067 by William FitzOsbern and then significantly improved c. 1190 by Sir William Marshal...
The Viking Age
Collection

The Viking Age

This collection on the Vikings, who dominated northern Europe from c. 790 CE to c. 1100 CE, examines not only their fearsome reputation for war and invasion but also their celebrated ships...
Carolingian Dynasty
Definition

Carolingian Dynasty

The Carolingian Dynasty (751-887) was a family of Frankish nobles who ruled Francia and its successor kingdoms in Western and Central Europe during the Early Middle Ages. The dynasty...
Valhalla
Definition

Valhalla

Valhalla ("Hall of the Slain") is the afterlife realm in Norse mythology for fallen heroes selected by Odin’s Valkyrie to become members of the army that will fight against the forces of chaos...
Golden Horde
Definition

Golden Horde

The Golden Horde was the European appanage of the Mongol Empire (1206-1368 CE). Begun in earnest by Batu Khan in 1227 CE, the territory that would eventually become the Golden Horde came to...
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Early Modern Period

Battle of Lodi
Article

Battle of Lodi

The Battle of Lodi (10 May 1796) was a minor, yet important, engagement during Napoleon's Italian Campaign of 1796-97. Although the battle itself held little military significance, victory...
Ten North American Native Inventions You Need to Know
Article

Ten North American Native Inventions You Need to Know

The Native Peoples of North America raised cities, built roads, and developed highly sophisticated cultures which encouraged the invention of many items often...
Johannes Hevelius
Definition

Johannes Hevelius

Johannes Hevelius (1611-1687) was a Polish astronomer based in Danzig (Gdańsk). He worked from his own privately funded observatory, creating maps of the Moon's surface, discovering the...
Henry VII of England
Definition

Henry VII of England

Henry VII of England ruled as king from 1485 to 1509 CE. Henry, representing the Lancaster cause during the Wars of the Roses (1455-1487 CE), defeated and killed his predecessor the...
Origins of the Haudenosaunee (Iroquois) Confederacy
Article

Origins of the Haudenosaunee (Iroquois) Confederacy

The Haudenosaunee, also known as the Iroquois Confederacy, Iroquois Five Nations, or the Iroquois League, was one of the most powerful Native American polities...
Catherine of Aragon
Definition

Catherine of Aragon

Catherine of Aragon (1485-1536 CE) was a Spanish princess who famously became the Queen of England and the first wife of Henry VIII of England (r. 1509-1547 CE). When the marriage did...
The Sixteenth-Century Massacre of the Waldensians of Mérindol
Article

The Sixteenth-Century Massacre of the Waldensians of Mérindol

As the Reformation developed in France in the first half of the 16th century, there were several episodes of severe repression which preceded the Wars...
Luther's Speech at the Diet of Worms
Article

Luther's Speech at the Diet of Worms

Martin Luther's speech at the Diet of Worms (also known as the Here I Stand Speech) is considered one of the greatest pieces of oratory in world history. It was given in...
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Modern Period

Thames Tunnel
Definition

Thames Tunnel

The Thames Tunnel was completed in 1843 and connects the two banks of the River Thames at Rotherhithe and Wapping in London. The 20-year project was masterminded by Marc Isambard Brunel (1769-1849...
RMS Empress of Ireland
Definition

RMS Empress of Ireland

The RMS Empress of Ireland was a transatlantic passenger ship that sank early in the morning of 29 May 1914 on the St. Lawrence River killing 1,012 of the 1,477 people on board. It...
Battle of Austerlitz
Article

Battle of Austerlitz

The Battle of Austerlitz (2 December 1805), or the Battle of the Three Emperors, was one of the most significant battles of the Napoleonic Wars (1803-1815). It saw French Emperor Napoleon...
Eyewitness Accounts of the Pacific War
Article

Eyewitness Accounts of the Pacific War - From Pearl Harbor to Hiroshima

The Pacific War (1941-45) was the theatre of the Second World War that saw Imperial Japan and the United States, with its allies, fight for control...
Oheka Castle
Article

Oheka Castle

Oheka Castle, built by the industrialist Otto Herman Kahn (l. 1867-1934), is one of the best-known luxury hotels of Long Island, NY, USA today. In its time as a private residence, it was the...
Eyewitness Accounts of WWII's Eastern Front
Article

Eyewitness Accounts of WWII's Eastern Front

The Eastern Front (1941-5), called the Western Front or Great Patriotic War by the Soviets, was by far the bloodiest of the Second World War (1939-45). In this article...
Thaddeus Stevens
Definition

Thaddeus Stevens - American Jacobin

Thaddeus Stevens (1792-1868) was a US politician and abolitionist, who rose to prominence in the 1860s during the American Civil War and Reconstruction eras. A leader of the...
Søren Kierkegaard
Definition

Søren Kierkegaard

Søren Kierkegaard (1813-1855) was a Danish philosopher and is considered to be the first existentialist, influencing such notable philosophers as Jean-Paul Sartre (1905-1980) and Martin...
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Prehistoric Period

Poulnabrone
Definition

Poulnabrone

Poulnabrone is a portal tomb in the region known as the Burren, County Clare, Ireland and the oldest dated megalithic monument in the land. The name means "Hole of the Quern Stones", but the...
Ness of Brodgar
Definition

Ness of Brodgar

The Ness of Brodgar is a Neolithic Age site discovered in 2002 CE through a geophysical survey of the area of land in Stenness in Orkney, Scotland, which separates the salt water Stenness...
Paleolithic Art
Image Gallery

Paleolithic Art

The first non-functional human-made objects that could be clearly classified as art date back to the Upper Paleolithic (c. 50,000 to c. 12,000 years ago) in Europe. Although Upper Paleolithic...
Stone Age
Definition

Stone Age

From the dawn of our species to the present day, stone-made artefacts are the dominant form of material remains that have survived to today concerning human technology. The term “Stone Age”...
Woolly Mammoth
Definition

Woolly Mammoth

The woolly mammoth, Mammuthus primigenius, is an extinct herbivore related to elephants who trudged across the steppe-tundras of Eurasia and North America from around 300,000 years ago until...
Homo Sapiens
Definition

Homo Sapiens

Homo sapiens ('wise man'), or modern humans, are the only species of human still around today. Despite having invented countless ways of labelling the world around us, we have so far done a...
Long Barrow
Definition

Long Barrow

A long barrow is a class of Middle Neolithic (approximately 3500-2700 BCE) burial monument which is found extensively throughout the British Isles and is related to other forms of contemporary...
Ceide Fields
Definition

Ceide Fields

The Ceide Fields, near Ballycastle, Co. Mayo, on the western coast of Ireland, are recognised as one of the oldest and largest Stone Age farming sites in the world, dating back to c. 3700 BCE...
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