2 ms·
The modern calendar is nearly 430 years old, but I agree with your broader point. http://en.wikipedia.org/wiki/Gregorian_calendar http://en.wikipedia.org/wiki/
by mooism2 15y ago
The modern calendar is nearly 430 years old, but I agree with your broader point.
http://en.wikipedia.org/wiki/Gregorian_calendar http://en.wikipedia.org/wiki/Gregorian_calendar