Click the option of your choice to cast your vote.
| Moonlanding | 88 | 57.5% |  |
| Nuclear power | 5 | 3.3% | |
| Language | 9 | 5.9% | |
| Printing press | 9 | 5.9% | |
| Wheel | 7 | 4.6% | |
| Penicillin | 8 | 5.2% | |
| Harnessing Fire | 4 | 2.6% | |
| Democracy | 7 | 4.6% | |
| Electricity | 8 | 5.2% | |
| Moonwalking | 4 | 2.6% | |
| 42! | 4 | 2.6% | |