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  1. 27 de abr. de 2024 · The reign of Alfonso XII of Spain began after the triumph of the Pronunciamiento de Sagunto of December 29, 1874, which put an end to the First Spanish Republic and ended with the death of King Alfonso on November 25, 1885, giving way to the Regency of his wife, María Cristina of Habsburg.

  2. Há 1 dia · The United States is a leader in the development of artificial intelligence technology and has maintained a space program since the late 1950s, with plans for long-term habitation of the Moon. [304] [305] In 2022, the United States was the country with the second-highest number of published scientific papers. [306]

  3. en.wikipedia.org › wiki › ScienceScience - Wikipedia

    Há 3 dias · 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 ...

  4. Há 3 dias · The New Encyclopedia Britannica by Encyclopaedia Britannica (Compiled by) Call Number: AE5 .E363 2010. ISBN: 9781593398378. Publication Date: 2009-09-01. Almost every student, faculty member, and librarian knows from experience how valuable Wikipedia can actually be when looking for quick background information about almost any topic.

  5. 19 de abr. de 2024 · Wikipedia, free Internet-based encyclopaedia, started in 2001, that operates under an open-source management style. It is overseen by the nonprofit Wikimedia Foundation. Wikipedia uses a collaborative software known as wiki that facilitates the creation and development of articles.

  6. 7 de mai. de 2024 · Unix time. 1546300800 – 1577836799. Wikimedia Commons has media related to 2019. 2019 ( MMXIX ) was a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the ...

  7. Há 2 dias · The World's most comprehensive free online dictionary, thesaurus, and encyclopedia with synonyms, definitions, idioms, abbreviations, and medical, financial, legal specialized dictionaries