What is mankinds greatest achievement?

Click the option of your choice to cast your vote.

Moonlanding13547.7%*
Nuclear power196.7%*
Language165.7%*
Printing press144.9%*
Wheel134.6%*
Penicillin165.7%*
Harnessing Fire134.6%*
Democracy144.9%*
Electricity165.7%*
Moonwalking124.2%*
42!155.3%*
Total: 283 votes.
(forum discussion (add comments))