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West Asian science – Mesopotamia and Iran

By |2019-04-24T20:40:21-07:00September 15th, 2017|Science, West Asia|

The constellation Orion What did Mesopotamians invent? From the Stone Age through the Islamic empires, great scientific discoveries have streamed out of West Asia. West Asia is one of the places where farming got started, and maybe the sailboat. Farming  Early ships and sailing Numbers and writing The pottery wheel All our West Asia articles The Sumerians developed the [...]

Roman economy – jobs, stores, money, debt, and trade in ancient Rome

By |2019-01-26T09:02:21-07:00August 31st, 2017|Economy, Romans|

The Roman economy: a Roman olive press mosaic (200-250 AD) now in St. Germain en Laye, France Farming in the Roman economy Most people in the Roman world were farmers. Some of the people who worked on farms were slaves, but most of them were free. More about farming and debt Slavery in Ancient Rome [...]

Chinook and malaria – American history

By |2017-08-12T17:47:19-07:00August 12th, 2017|History, Native American|

A Chinook woman Because the Chinook lived so far north and west, they didn't have any contact with European invaders in the 1500s or 1600s AD. So we don't know much about what the Chinook were doing during these two centuries. But in 1792, the Chinook who lived along the Pacific coast met the American sea captain Robert [...]

Early Modern Spain – Philip II

By |2019-04-04T12:37:14-07:00August 5th, 2017|History, Modern Europe|

Philip II of Spain Philip II of Spain As the great-grandson of Isabella, who had sent Columbus to America, and the son of Isabella of Portugal, Philip II ruled Spain starting in 1556 AD. Isabella and Ferdinand Isabella of Portugal All our modern Europe articles Philip also controlled huge Spanish territories in South and [...]

Cargo ships in ancient Greece

By |2018-04-22T11:11:32-07:00July 18th, 2017|Economy, Greeks|

Reconstruction of the Antikythera trading ship Many Greek men were traders, who sold things from one place to people who lived some place else. Greek traders sailed all around the Mediterranean Sea, from Spain to Phoenicia and from Carthage to  Egypt and Italy, and to Greece of course. These traders travelled in cargo ships. Cargo ships could [...]

Ancient Greek ships and boats – Sailing in ancient Greece

By |2019-02-10T05:56:37-07:00July 18th, 2017|Economy, Greeks|

Greek ships: A sailing ship with rowers at the oars Early Greek sailing Because Greece was so mountainous, and every place in Greece was so close to the sea, a lot of people in Greece used boats to get from one place to another, even starting as early as the Stone Age, when people sailed to [...]

What is an astrolabe? Greek science

By |2019-02-04T09:56:46-07:00July 16th, 2017|Greeks, Science|

An Islamic astrolabe (832 AD) Who invented the astrolabe? About 140 BC, the Greek astronomer Hipparchus of Rhodes invented the science of trigonometry. What's trigonometry?  Greek astronomy History of astronomy All our Ancient Greece articles Hipparchus figured out that you could use an imaginary right triangle whose corners were the sun, the earth, and the planets or stars, to calculate the movements [...]