Click the option of your choice to cast your vote.
| Moonlanding | 91 | 58.3% |  |
| Nuclear power | 5 | 3.2% | |
| Language | 9 | 5.8% | |
| Printing press | 9 | 5.8% | |
| Wheel | 7 | 4.5% | |
| Penicillin | 8 | 5.1% | |
| Harnessing Fire | 4 | 2.6% | |
| Democracy | 7 | 4.5% | |
| Electricity | 8 | 5.1% | |
| Moonwalking | 4 | 2.6% | |
| 42! | 4 | 2.6% | |