There was no schism in Islam to know when it was started. There is no schism in Islam in the sense as known in Christianity. In Christianity, there are many denominations and different churches and different ritual worships. However, in Islam, differences between the two main Islamic groups, Shiites and Sunnis, are within minor details and minor differences in interpretations of Quran and Prophet Muhammad Sunnah (sayings and practices).
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Islam, Judaism and Christianity.
Islam, Christianity
Christianity, Islam
There are numerous religions that started in the Middle East such as the Kemetic, Akkadian, and Babylonian faith among many other polytheistic creeds. All three monotheistic religions, Judaism, Christianity, and Islam, also started in the Middle East.
The Bible is to Christianity as the Qur'an (Koran) is to Islam.
Judaism, Christianity, and Islam have all claimed the Holy Land for themselves.
what two churches emerged from split in Christianity
Christianity, but Islam may overtake Christianity relatively soon.
Christianity is to Bible as Islam to Quran.
what two churches emerged from split in Christianity
Judaism, Christianity, and Islam religions.
Both Islam and Christianity originated out of Judaism.