Short answers, pulled from the story.
Cyrus the Great initiated a general policy of permitting religious freedom throughout the Achaemenid Empire around 550 BC. He documented this policy on the Cyrus Cylinder, which allowed displaced peoples to return to their homelands and rebuild their temples.
Jan Hus was burned at the stake on the 6th of July 1415 at the Council of Constance. This event occurred despite a safe conduct granted by the Holy Roman Emperor and sparked the Hussite movement.
The Diet of Transylvania extended freedom to all religions in 1568 under the chairmanship of King John Sigismund Zápolya. This edict allowed four religions to be practiced openly and marked the first legal guarantee of religious freedom in Christian Europe.
Mary Dyer was the English Quaker hanged in Boston, Massachusetts in 1660 for repeatedly defying a Puritan law banning Quakers from the colony. Her execution as one of the Boston martyrs helped galvanize the movement for religious freedom in the United States.
Thomas Jefferson wrote the Virginia Statute for Religious Freedom in 1779. This document proclaimed that no man shall be compelled to frequent or support any religious worship and laid the foundation for the First Amendment of the United States Constitution.
Christian Solidarity Worldwide launched an in-depth report in 2008 on the human rights abuses faced by individuals who leave Islam for another religion. The report called on Muslim nations and the international community to address serious violations of human rights suffered by apostates.