Which of the following accurately describes the order of the development of our calendar? a. 1. julian calendar (with leap years); 2. egyptian calendar (with 365-day year); 3. gregorian calendar (with year 1 as the year christ was born) b. 1. gregorian calendar (with year 1 as the year christ was born); 2. julian calendar (with leap years); 3. egyptian calendar (with 365-day year). c. 1. egyptian calendar (with 365-day year); 2. julian calendar (with leap years); 3. gregorian calendar (with year 1 as the year christ was born)