Most movements against the Catholic Church have been called heresies, the general title, there have been many: The Catholic Church is nearly two thousand years old, there have been untold heresies which were religious movement against the Church in that time. A short list of the "Great Heresies":
The Circumcisers (1st century)
Gnosticism (1st and 2nd centuries)
Montanism (late 2nd century)
Savellianism (early 3rd century)
Arianism (4th century)
Pelagianism (5th century)
Semi-Pelagianism (5th century)
Nestorianism (5th century)
Monophysitism (5th century)
Iconoclasm (7th and 8th centuries)
Catharism (11th century)
Protestantism (16th century)
Jansenism (17th century)
The Protestantism Rebelled against the catholic church.
The movement which separated from the Catholic Church is known as 'the Protestant Reformation.' It was started by Martin Luther.
Martin Luther King Jr. did not lead people against the Catholic church, he led them against some of the people in the Catholic church. These people where the horrible people who lynched many black people. People followed MLK because he was the leader of a great movement.
Yes, it is against the catholic church and its a sin under the commandment of Adultery.
You would be better asking what secular movement did not criticize the Catholic Church, the list would be a lot shorter.
It was called the Protestant Revolt and was lead by Martin Luther.
Martin Luther was the one who protested against the catholic church (pope) for selling indulgences.
Martin Luther led one of the greatest revolutions of all time. He spoke up against the Catholic Church and led the movement that led to the Protestant Church.
The movement is called Protestant Reformation or the Protestant Revolt.The Protestant Reformation
The Catholic Church has always been prolife and against abortions.
In spite of the far left tendencies of several Catholic organisations (such as Sinn Fein, the Catholic Worker Movement, etc.), the Catholic church has long feared the dominance of Soviet style Communism, which pushed for an atheistic state.
Nothing can "split" the Catholic Church as it is divinely established and guarded. However, there have been two famous cases that tried: the Western Schism when there was a pope or antipope in Avignon and Rome; and the Eastern Schism when the Orthodox left the Catholic Church.