Who officially opened the millennium dome?

I don’t know, what is wrong with this website! It’s supposed to give ME the answers, and instead it askes me! 👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼👎🏼