2.5: Changing Timelines

By alex.green
  • 1194 BCE

    Eratosthenes calculated distance from the sun to the moon to the earth

  • 1184 BCE

    Eratosthenes made a calandr with leap years

  • Period: 384 BCE to 322 BCE

    Eratosthenes calculated the circumference of the Earth

  • 275 BCE

    Eratosthenes was born

  • 195 BCE

    Eratosthenes died

  • 85 BCE

    Eratosthenes calculated the tilt of Earths axis

  • Feb 19, 1493

    Nicolaus Copernicus is Born

  • 1514

    Copernicus Circulates Little Commentary

  • May 24, 1543

    Copernicus Dies

  • Feb 15, 1564

    The Birth of Galileo

  • Supernova

    Galileo discovered a supernova, along with Venus having moon-like phases that showed independent orbit.

  • Invention of Telescope

    Galileo invented a telescope three times stronger than the original Dutch telescope.

  • "Dialogue Concerning the Two Chief World Systems" was published

    This was a book that turned into a conversation concerning the relative merits of the Ptolemaic conceptions comparing it to those of the Copernican conceptions of the universe.

  • The Death of Galileo

  • Isaac Newton was born

  • Newton Attends King's School at Grantham

  • Newton Publishes Mathematics Principles of Naturals

  • Newton Dies

  • Dmitri Mendeleev was born

  • Mendeleev attends one of the first International Chemistry Conferences

  • Mendeleev publishes Organic Chemistry Book

  • Birth of Marie Curie

  • Mendeleev Introduced first Periodic Table

  • Wegener was born

  • Marie Curie discovered Polonium

  • Marie Curie discovered radium

  • Marie Curie and her Husband won a Nobel Prize

  • Marie Curie gets her doctoral degree

  • Hess was born

  • Marie teaches at Sorbonne

  • Dmitri Mendeleev died

  • Wegener proposed that all the continents were once one

  • Wegener died

  • Death of Marie Curie

  • “The History of Ocean Basins” was published.

    This outlined a theory that explained continental drift

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Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.

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