“when was the citizenship question removed? I seem to recall seeing it years gone by.!”
2010. Want to guess by whom?
Read the article.
2010. Want to guess by whom?
According to the article, you're wrong. I've read other articles on this topic that agree with this one.
Read the link Mewzilla has in post #22. It has a nice chart of the various times the birthplace and citizenship questions have been on the census, or the long form / ACS.