No, not all.
Jehovah’s Witnesses deny the Trinity.
Some of the Protestant sects regard Jesus as just a good teacher or even the archangel Michael.
Mormonism has entirely different views on Jesus and God.
Some Protestant sects reject original sin in favor of inheritance of a sin nature. I heard that yesterday on a broadcast in Dallas.
Liberal Christian sects have rejected Jesus’s miracles as unrealistic (see the Jesus seminar).
I’ve heard preachers reject the Virgin birth by saying Mary was a virgin when she initially conceived but that it was foolish and not biblical to believe that Joseph and Mary didn’t consummate their wedding shortly thereafter.
The only thing that unifies Protestantism is the belief that the Catholic Church is wrong.
That should make y’all reflect and rethink your positions.
Protestant — a member or follower of any of the Western Christian churches that are separate from the Roman Catholic Church and follow the principles of the Reformation, including the Baptist, Presbyterian, and Lutheran churches.