Who was The first Ummayed Caliph?

A. Khalid bin Waleed (R.A)
B. Ameer Muawiyah (R.A)
C. Abu Ubaidah (R.A)
D. Amr bin Al-Aas (R.A)

Ameer Muawiyah (R.A) was The first Ummayed Caliph.