Gobekli Tepe:
Founded in the 10th millennium BCE, and abandoned in the 8th millennium BCE, this ancient site consists of over 200 pillars that weigh approximately 10 tons each. There is still much to be discovered here, and the things that have been discovered so far show a glimpse into the lives of the ancient people of what is now modern-day Turkey.
or they are respectful that not all religions utilize the same calendar...
"When in Rome..."
...I use my own d@$% calendar, and I expect everyone else to accommodate me!!!!!
Darwin has nothing to do with historical timelines.
https://en.wikipedia.org/wiki/Sacsayhuam%C3%A1n
What we're talking about is the Norse settlements leading to the settling of the North American continent. Greenland because of it's proximity to N. America is the reason it's included.