History

Holodomor

Holodomor: the 1932–33 famine in Soviet Ukraine

Holy Roman Emperor

Holy Roman Empire

Holy Roman Empire: history, structure, and legacy

Central European confederation of territories and cities under an elected emperor; a complex, decentralized polity from the medieval coronation of Charlemagne to its dissolution in

Homestead Acts

Honey War

Honey War: the 1830s Iowa–Missouri border dispute

Hookah

Hookah: history, design, cultural use and health considerations

Hooverville

Hooverville: Depression-era Shantytowns and Their Legacy

Hōreki

Hōreki Era (1751–1764): Mid‑Edo Japan and its calendar name

Hōryaku calendar

Hōryaku calendar (Hōryaku-reki) — Japanese lunisolar calendar published 1755

Hotaki dynasty

Hōtoku

Hōtoku era (1449–1452) — a Japanese nengō of the Muromachi period

House of Alpin

House of Alpin (Alpínid dynasty)

House of Bonaparte

House of Bourbon

House of Bourbon-Parma

House of Dunkeld

House of Glucksburg

House of Glücksburg

House of Gonzaga

Gonzaga Dynasty of Mantua: Rulers, Territories, and Cultural Patronage (1328–1708)

House of Habsburg

European royal dynasty originating in medieval Switzerland whose members ruled Austria, the Holy Roman Empire, Spain and other realms, shaping politics and culture across centuries

House of Hanover

House of Lorraine

House of Normandy

House of Plantagenet

English royal dynasty (1154–1485) of Angevin origin. Its rulers shaped English law and government, fought long continental wars, and later split into the Lancastrian and Yorkist br

House of Romanov

House of Stuart

House of Tusculum

House of Valois

House of Valois: French royal house and its historical role

House of Wettin

House of Wittelsbach

A European dynasty originating in Bavaria that ruled as dukes, electors and kings from 1180 to 1918; produced multiple branches, European monarchs, and significant cultural patrons

Hoysala Empire

Hugh the Great

Human history

Hundred Days

Hundred Years' War

Hungarian Revolution of 1956

Huns

Hyderabad State

Hyderabad State (1724–1948): the Nizam's princely realm in the Deccan

Iberian Union

Iberian Union (1580–1640): dynastic union of Portugal and Habsburg Spain

Iceni

Illyrian language

Imperial China

Indentured servant

Independent State of Croatia

Independent State of Croatia (NDH): Axis puppet state, 1941–1945

A concise overview of the Independent State of Croatia (NDH), its formation in 1941, territorial extent, Ustaše regime, policies and crimes, wartime resistance, collapse in 1945, a

Indian independence movement

Indian independence movement (1857–1947)

Indo-European peoples

Indo-European peoples: origins, languages and cultural legacy

Indo-Greek Kingdom

Indus Valley civilization

Indus Valley Civilization (Harappan Civilization)

Industrial Revolution

Industrial Revolution: origins, innovations, and global impact

Period of rapid industrialization from the mid-18th century that shifted production from handcraft to mechanized factories, transforming economies, societies, and technology worldw