Printable Julian Calendar Leap Year – Leap day February 29 poster. Leap year calendar with jumping frog. February 29, 2025 concept. Cute frog jump out of cup with tea and galaxy print. Green 2025, 2028 year banner. Cartoon text poster . Leap day February 29 poster. Leap year calendar with jumping frog. February 29, 2025 concept. Cute frog jump out of cup with tea and galaxy print. Green 2025, 2028 year banner. Cartoon text poster .
Printable Julian Calendar Leap Year Julian Calendar Military Government Digital Download Printable PDF : To address this issue, Julius Caesar introduced the Julian calendar, a solar calendar, which included a leap year system. When the Julian calendar was later refined into the Gregorian calendar in . 4 Leap years were introduced by the Roman emperor Julius Caesar, who created a new calendar to take the extra quarter-days into account. The Julian calendar took effect in 45 BC. 5 The maths .