In a sense, the question is ambiguous. It could be taken to mean do Protestants trust in, rely on circumcision as part of their church doctrine? In that case, the answer is No. If the question is if Protestants practice circumcision, the answer is that most do, although there may be some who don't. It's not a part of official church doctrine in any sense.
Protestants are Christians.
Protestants WANT to be saved and know that if we believe in Jesus Christ, our souls WILL be saved and with him throughout infinity
Yes.
Protestants did indeed believe in good works. However, they did not believe one could earn forgiveness through good works alone.
Yes
Protestants are free to celebrate St. Valentine's day if they choose, but they do not believe "in" it, that is they do not rest any article of their faith "in" Valentine's Day.
pain and suffering
Baptism & Eucharist
the protestants were the people who did not believe in the ways of the church. their name comes from the word "protest" as that is what they did. in the 15th century, Europe split into 2 groups, catholics and protestants.
Most Protestants believe in Heaven & Hell, but, no Purgatory.
catholics believe that you can be prayed out of hell, and that you wait in pergatory. no
the protestants believe king billy was a protestant because that's what they are forced to believe other wise it would cause much debate among their faith.