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Dicuil
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What’s the Difference Between Great Britain and the United Kingdom?
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Ireland’s Same-Sex Marriage Referendum
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
A potato showing the effects of Phytophthora infestans, or late blight. Potato blight, Irish Potato Famine.
The Mold that Wrecked Ireland
Skellig Michael, UNESCO World Heritage Site, County Kerry, Munster, Ireland.
Ireland Has It All, Including These 12 Incredible Feats of Architecture
Discover
African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
Timeline of the American Civil Rights Movement
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10 of the World’s Most Dangerous Fish
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
Hemp (Cannabis sativa).
9 Mind-Altering Plants
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd
Causes of the Great Depression
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Cruel and Unusual Punishments: 15 Types of Torture

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Facts

Flourished 825 - • Ireland
Notable Works “De mensura orbis terrae”
Eduard Brückner
Austrian geographer and climatologist
Antoine-Thomson d’Abbadie
French geographer
Arnaud-Michel d’Abbadie
French geographer
Alexander von Humboldt
Alexander von Humboldt
German explorer and naturalist
Six astronomers, after Gerard Hoet (1692)
Hipparchus
Greek astronomer
Al-Bīrūnī, Afghan commemorative stamp, 1973.
al-Bīrūnī
Persian scholar and scientist
Strabo
Strabo
Greek geographer and historian
How did Ptolemy explain retrograde motion?
Ptolemy
Egyptian astronomer, mathematician, and geographer
Title page of Richard Hakluyt's The Principall Navigations, Voiages and Discoveries of the English Nation
Richard Hakluyt
British geographer
Powell, John Wesley
John Wesley Powell
American explorer, geologist, and ethnologist
Halford Mackinder
Halford Mackinder
British political geographer
Muḥammad al-Idrīsī
Arab geographer
Karl Ernst, Ritter von Baer
Karl Ernst von Baer
Prussian-Estonian embryologist
al-Masʿūdī
Arab historian
Leopold, Baron von Buch
German geologist
German scholar Carl Ritter
Carl Ritter
German geographer
Li Zhizao
Chinese mathematician and astronomer
Alfred Hettner
German geographer
Friedrich Ratzel
Friedrich Ratzel
German geographer
Heinrich Barth
Heinrich Barth
German geographer and explorer