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)