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2 days ago · The modern world may look very different from the world that existed in the time of ancient civilizations, but our modern-day life continues to show the influence of cultures, traditions, ideas, and innovations from hundreds of years ago. Learn more about important historical civilizations, sites, people, and events. history of Mesopotamia.
- Prehistoric Age
Prehistoric Age Encyclopedia Articles. ABB-MAC. MAG-ʿAI....
- United States History
Pearl Harbor attack, (December 7, 1941), surprise aerial...
- Wars, Battles & Armed Conflicts
Wars, battles, and other domestic or international...
- Historians
Historians Encyclopedia Articles. ABB-BRY. BRY-GEI. GEN-LIV....
- Global Exploration
Global Exploration Encyclopedia Articles. 176-BAR. BAR-BUR....
- Prehistoric Age
5 days ago · The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology ...
3 days ago · Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws.
- The Editors of Encyclopaedia Britannica
4 days ago · Online Encyclopedias: Online Resources. Blackwell Encyclopedia of Sociology. The encyclopedia consists of over 1800 entries on all aspects of social organization. It is updated three times a year. Catholic Encyclopedia. Contains facts and information relevant to the Catholic Church.
- Kelly Hangauer
- 2010
1 day ago · The nonprofit Wikimedia Foundation provides the essential infrastructure for free knowledge. We host Wikipedia , the free online encyclopedia, created, edited, and verified by volunteers around the world, as well as many other vital community projects .
4 days ago · Encyclopedia Britannica Online.
4 days ago · Scholarly online historical encyclopedias and dictionaries, including military history, the Enlightenment, the Middle Ages, World War II, world exploration, African American history and more. Oxford Research Encyclopedia of American History.