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2 days ago · Wikipedia, free Internet-based encyclopedia, started in 2001, that operates under an open-source management style. It is overseen by the nonprofit Wikimedia Foundation and is one of the most-visited sites on the Internet. It uses a collaborative software known as wiki for editing articles.
3 days ago · History is an academic discipline which uses a narrative to describe, examine, question, and analyze past events, and investigate their patterns of cause and effect. [6] [7] Historians debate which narrative best explains an event, as well as the significance of different causes and effects.
4 days ago · Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
3 days ago · English is a West Germanic language in the Indo-European language family, whose speakers, called Anglophones, originated in early medieval England. [4] [5] [6] The namesake of the language is the Angles, one of the ancient Germanic peoples that migrated to the island of Great Britain.
2 days ago · Music is the arrangement of sound to create some combination of form, harmony, melody, rhythm, or otherwise expressive content. [1] [2] [3] Music is generally agreed to be a cultural universal that is present in all human societies. [4] Definitions of music vary widely in substance and approach. [5]
3 days 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.
1 day ago · Further information: History of the United States (1815–1849) and Territorial evolution of the United States. Animation showing the free/slave status of U.S. states and territories expansion, 1789–1861. The Louisiana Purchase (1803) from France nearly doubled the territory of the United States.
