August 25

German troops burn library of Louvain, Belgium

August 25, 1914

Allan Pinkerton, founder of the Pinkerton Detective agency, is born

August 25, 1819

Related Lessons

  • The Industrial Age in America: Sweatshops, Steel Mills, and Factories
    Lesson Plan / History & Social Studies
    The Industrial Age in America: Sweatshops, Steel Mills, and Factories

    About a century has passed since the events at the center of this lesson-the Haymarket Affair, the Homestead Strike, and the Triangle Shirtwaist Factory Fire. In this lesson, students use primary historical sources to explore some of the questions raised by these events, questions that continue to be relevant in debates about American society: Where do we draw the line between acceptable business practices and unacceptable working conditions? Can an industrial-and indeed a post-industrial-economy succeed without taking advantage of those who do the work?

Galileo Galilei demonstrates his first telescope to the Venetian Senate in Padua

August 25, 1609

Related Lessons

  • Galileo and the Inevitability of Ideas
    Lesson Plan / History & Social Studies
    Galileo and the Inevitability of Ideas

    Test the arguments on both sides in the case that shook the foundations of faith and science.

  • Galileo: Revealing the Universe
    Lesson Plan / History & Social Studies
    Galileo: Revealing the Universe

    In this lesson, students will practice close reading of passages from Galileo’s Starry Messenger concerning his observations of the stars and constellations through a telescope. They will develop an understanding of how he constructed his arguments to challenge the established views of his time using new technology and logical reasoning.

Related Student Resources

  • Student Resource / History & Social Studies
    Launchpad: Galileo and His "Starry Messenger"

    In this Launchpad, students explore a section of Galileo’s booklet, Starry Messenger, in which he describes his observations of the solar system and stars through a telescope that he made. This telescope allowed him to see the distant objects in the sky in ways that no one had ever seen them before.

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