They deserve *public apologies*, not "pardon", because they were *not* wrong, they never were guilty of any real crime. They loved and had their lives destroyed for following their hearts.
Religion was always a disastrous counselor to all the laws in the whole world. Always judging and condemning, giving cruel labels and empowering hypocrite dictators and governors, who mention God, Prophets, the Bible or other Holy Books in their speeches to justify cruelty and prejudices against women, LGBT, animals, etc, and many, many unjustified deaths...
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"Don't let anyone rob you of your imagination, your creativity, or your curiosity. It's your place in the world; it's your life. Go on and do all you can with it, and make it the life you want to live." - Mae Jemison