Why do you think the Muslims reset the calendar based on this event, rather than any other amazing occurrence (including the Prophet's birth)?
625-28

Hijra 622

Explanation:

It is the year of the migration of the Prophet Muhammad from Mecca to Medina. From that event, Muslims count time. That is one of the most important events in the history of Islam. Muslims moved from Mecca to Medina for the freedom to practice religion. This event has been marked as crucial in Islamic history, which is why Muslims have been counting the time ever since.

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse