A comprehensive digital encyclopedia presenting factual, historical, and educational articles supported by reliable sources and structured data. Page: 220

Euclid (/ˈjuːklɪd/; Ancient Greek: Εὐκλείδης; fl. 300 BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the Elements treatise, which established the foundations of geometry that largely dominated the field until the…

Israelis (Hebrew: יִשְׂרְאֵלִים‎, romanized: Yīśreʾēlīm; Arabic: إسرائيليون, romanized: Isrāʾīliyyūn) are the citizens, nationals, and permanent residents of the State of Israel, a multiethnic state. The largest ethnic group is Jews who account for 75% of the population, the second largest ethnic gr…

A public utility company (usually just utility) is an organization that maintains the infrastructure for a public service (often also providing a service using that infrastructure). Public utilities are subject to forms of public control and regulation ranging from local community-based groups to st…

Hanoi (/hæˈnɔɪ/ han-OY; Vietnamese: Hà Nội [hàː nôjˀ] ) is the capital and second-most populous city of Vietnam. It encompasses an area of 3,358.6 km2 (1,296.8 mi2), and as of 2025 has a population of 8,807,523. It had the second-highest gross regional domestic product of all Vietnamese provinces an…

Continuing education is the education undertaken after initial education for either personal or professional reasons. The term is used mainly in the United States and Canada.…

Wisdom, also known as sapience, is the ability to apply knowledge, experience, and good judgment to navigate life's complexities. It is often associated with insight, discernment, and ethics in decision-making. Throughout history, wisdom has been regarded as a key virtue in philosophy, religion, and…

Proto-Indo-European (PIE) is the reconstructed common ancestor of the Indo-European language family. No direct record of Proto-Indo-European has been discovered; its proposed features have been derived by linguistic reconstruction from documented Indo-European languages. Far more work has gone into …

A privately held company, or simply private company, is a company whose shares and related rights or obligations are not offered for public subscription or publicly negotiated in their respective listed markets. Instead, the company's stock is offered, owned, traded or exchanged privately, also know…

The Internet Archive is an American non-profit library founded in 1996 by Brewster Kahle that runs a digital library website, archive.org. It provides free access to collections of digitized media including websites, software applications, music, audiovisual, and print materials. The Archive also ad…

Foreign domination (or foreign rule) is a term used in the historiography of multiple countries to characterize successive periods of rule by foreign powers.…