1. Hawaii’s Akebono became the first foreigner ever named a grand champion of what Japanese form of wrestling?

2. In the fifth Harry Potter book, Professor Umbridge makes Harry write sentences using what liquid for ink?

3. “Pinyin” is the official system for writing what Chinese language in our alphabet?

4. In an old ballad, what “darling” miner’s daughter wore “herring boxes without topses” as sandals?

5. "Omphaloskepsis" is the Greek word for idly contemplating—or “gazing” at—what part of the body?

What’s the "Kennection" between all five answers?