Although this was an acceptable practice at some point in history, currently it would not be legal anywhere.
It was the Roman authorities that killed Jesus, not the Roman Catholic Church.
Hitler was not a Jew, he was a Roman Catholic.
It was not the Catholic Church but Emperor Charles V who presented the final draft of the Diet of Worms on May 25, 1521, declaring Luther an outlaw, banning his literature, and requiring his arrest: "We want him to be apprehended and punished as a notorious heretic." It also made it a crime for anyone in Germany to give Luther food or shelter. It permitted anyone to kill Luther without legal consequence.
The sirbs(Orthodex) kill Many of Muslims and roman catholic which is mean Bosniks(muslims) Croats(Roman Ctholic)
He was Roman Catholic by upbringing - but why does the question assume that it was his religion and 'background' that 'made' him kill Jews? See related question.
No. It's not legal to kill anybody.
No. It is not legal to kill any babies.
It is legal if you have a proper reason to kill them...not just for fun
kill kill and kill
No, it is not legal to kill any animal unless hunting with a proper lisence. There is also no need to kill giraffes.
St. George was a soldier in the Roman army and a Christian. He refused to comply with an order to persecute and kill other Christians. For doing that, he was tortured and killed - he was a martyr.
No