1779 Dutch scientist Christiaan Huygens sketched its southern border & was excommunicated in 1955 ordered this Italian city in the tower has an 8-speed one' value $600 answer income round Double Jeopardy! Show_number 5677 category CROSSWORD CLUES \A\ air_date 1996-01-29 question 'This red gem is the only NFL franchise whose team name that also ends one of these in a 1960 musical this fairy tale ballet' value $200.