Historical atlas of Europe. Maps of mountains, rivers, cities and countries of Europe and of the World. 2000 pictures of towns and landscapes. Antique digitized maps. Digital vector maps and georeferenced vector maps, educational softwares.
Yellow Fever broke out in epidemic proportion in 1793, 1797, 1798, and 1799. The most severe, and one of the most deadly in American history, occurred in 1793, when an estimated 5,000 inhabitants died. This map records the intensity of the fever, with darker colored lines marking the streets with highest mortality.
Rocky Mountain spotted fever refers to an infection caused by the bacterium Rickettsia rickettsia.This particular bacterium is carried by certain species of ticks and spread to humans through the bites of infected ticks.
This is a good article. Follow the link for more information. Science in the medieval Islamic world From Wikipedia, the free encyclopedia The Tusi couple, a mathematical device invented by Nasir al-Din Tusi in 1247 to model the not perfectly circular motions of the planets Science in the medieval Islamic world was the science developed and practised during the Islamic Golden Age under the ...
Panama Canal Dangers Goethals focused efforts on Culebra Cut, the clearing of the mountain range between Gamboa and Pedro Miguel. Excavation of the nearly 9-mile stretch became an around-the-clock ...
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World Maps of Chronic and Rare Diseases and other Syndromes and Conditions - Connect with people who share your condition and help each other
The Erie Canal is a 363-mile waterway that connects the Great Lakes with the Atlantic Ocean via the Hudson River in upstate New York. The channel, which traverses New York state from Albany to ...
Start studying World History: Chapter 3 Empires and Cultures of the Ancient World. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Free printable world maps Countries of the World - Hammer Projection Detailed world map illustrating the seven continents, and the countries of the world in an elliptical format.