I want to know the answer to the following question:
When did Yongzheng ban christianity?
All the background I'm provided with is that "First, he promoted Confucian orthodoxy and reversed what he saw as his father's laxness by cracking down on unorthodox sects and by decapitating an anti-Manchu writer his father had pardoned.". Is that enough to answer the question?
Answer: no