Leap Into Learning: A Leap Year Crossword Challenge

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Across
  1. 2. Century years are not leap years unless divisible by this number
  2. 3. An old name for "leap day"
  3. 5. This type of calendar includes leap years
  4. 6. The number of years between each leap year
  5. 7. The Greek philosopher who introduced the leap day
  6. 11. If February has this many days, it’s a leap year
  7. 12. Without leap years, the calendar would lose approximately this many hours annually
Down
  1. 1. This Roman ruler first introduced the idea of leap years in the Julian calendar
  2. 2. Leap Day is an extra day in this month
  3. 4. A person born on February 29th is often called this
  4. 8. These summer and winter sporting events often align with leap years
  5. 9. The Leap Year Capital of the World
  6. 10. The extra day added in February is called a ___ day