تنظيم الوقت و كتابة التقويم من اهم الادوات التي اثرت في تحسين حياة البشر و في هذه الحلقة نستعرض اهم الاحداث التي صاغت التقويم الحديث على مر التاريخ
Feb 2022
S1E135 - Kapow's Power of Invention: The Calendar
A calendar is a tool used to measure the passing of time. Now, the people in ancient times based their calendars on the most obvious, and consistent things they could find - the movement of the Sun, Moon, and stars. These first calendars helped people figure out when to plant and ... Show More
10m 10s