Misc: What is celebrated on 14 July in France?

Questions

Edgar allan poe introduced mystery fiction's first fictional detective, auguste c. dupin, in what 1841 story?

Edgar allen poe wrote a famous poem about which animal?

A complex alcohol constituent of all animal fats and oils?

Egg beaters operate on what type of gear?

Eggplant is not a vegetable, but is actually a member of what plant family?