| ▲ | tokai 6 hours ago | |
You don't need citation for common knowledge. | ||
| ▲ | nickserv 4 hours ago | parent [-] | |
If OP had said "in last 40 years" then yeah sure. But since the middle ages, or 500 years ago, how is that common knowledge? | ||
| ▲ | tokai 6 hours ago | |
You don't need citation for common knowledge. | ||
| ▲ | nickserv 4 hours ago | parent [-] | |
If OP had said "in last 40 years" then yeah sure. But since the middle ages, or 500 years ago, how is that common knowledge? | ||