Most people do not know the background of mohammad nor do they know that islam is a religion of conquest.
Turks conquered the East, formerly Christian and Jewish. Including the whole present day Turkey, Middle East and Egypt.
For up to 500 years they hold unto Balkans, so till today they are impoverished. The raped, enslaved, killed.
Every fifth Christian boy had to be given to slavery (slave tax), girls filled harems.
They were eventually kicked out of Europe by the first Balkan war 1912!
In most places they were evicted, but they stayed in Bosnia and Kosovo. See what is happening there now.