They built the Hagia Sophia (study island answer)
The Abbasids in Baghdad and the Ummayads in Spain. Both were the Sunni Muslims.
calender
shia Muslims are not Kafir. this is a propaganda made by some extremist Muslims who do Takfir. (Wahhabi Muslims)
No.
interchangeable parts
They made the 365 day calendar
when he was little he made a laptop the first one.
The egyptians
Because of a video made in California Insulting the Muslims all over the world
what is the answer
Basic tools, such as hitting a rock on something else
There is no evidence that he hates Muslims. He has been recorded making anti-Semitic comments, but he has not thus far made comments about Muslims.