Prophet Muhammed (Peace be upon him) in Mecca (Kindom of Saudia Arabia).
The religious center of Islam religion is Makkah (or Mecca) in Saudi Arabia
Mecca is still the holiest city in Islam
No
The first Mu'adhin in Islam was Bilal ibn Ribah, and he was the first African convert to Islam.
There are no royalties in Islam.
The political centre of Islam was Damascuss under the Umayyad Caliphate.
Of course prophet Muhammad is the first person who believed in Islam per Quran revelation to him by God.After the prophet;The first man believed in Islam is AbouBakrThe first boy believed in Islam is Aly Ibn Abou TalebThe first woman believed in Islam is Khadija (the first prophet wife)wife
Madh'hab is one of the Islamic centers of the school of thought. Mosque is the major religious center of Islam
A
which pray was the first pray in Islam and who performed it and where.
battle of Badar is the first battle that took place in islam
there are many in Islamic countries. for example Al-Azhar university of Egypt is main center for Sunni Islam and Qum in Iran is main center for Shia Islam.