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History Lesson 1a

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  • integral part means...
    essential, fundamental
  • This era comes after Ancient History.
    Middle years
  • How many years have gone past since the first evidence of life appeared on Earth?
    3,500,000,000
  • Calendars based on the time it would take for the moon to go around the Earth are called...
    lunar calendars
  • In both the Julian and Gregorian calendars, in every four years the calendar would add an extra day. This year is called...
    a leap year!
  • 10 years make a ...
    decade
  • In the Julian calendar, the years started counting from the...
    founding of Rome
  • Large blocks of time are called...
    eras
  • What is a solar calendar?
    Solar calendar is the calendar that is formed based on the time it takes the Earth to revolve once around the Sun.
  • A millennium is...
    1000 years
  • What was the problem with the Julian calendar?
    The seasons and the calendar did not match!
  • Which calendar do we use today?
    the Gregorian calendar
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