Click the option of your choice to cast your vote.
| Moonlanding | 95 | 50.0% |  |
| Nuclear power | 12 | 6.3% | |
| Language | 12 | 6.3% | |
| Printing press | 11 | 5.8% | |
| Wheel | 9 | 4.7% | |
| Penicillin | 11 | 5.8% | |
| Harnessing Fire | 8 | 4.2% | |
| Democracy | 8 | 4.2% | |
| Electricity | 10 | 5.3% | |
| Moonwalking | 8 | 4.2% | |
| 42! | 6 | 3.2% | |