Misc: Holland hosted the Olympics in which year?

Questions

At the turn of the last millennium, Dublin Ireland had the largest ---------- market in the world, run by the Vikings.?

At the turn of the last millennium, Dublin Ireland had the largest slave market in the world, run by the---------- .?

---------- emperor Montezuma had a nephew, Cuitlahac, whose name meant plenty of excrement.?

Aztec emperor ---------- had a nephew, Cuitlahac, whose name meant plenty of excrement.?

Aztec emperor Montezuma had a nephew, ---------- , whose name meant plenty of excrement.?