Trypillian build in Nebelivka (Ukraine) settlement which reached 15,000–18,000 inhabitants. (1 jan 4050 ano antes da era comum – 1 jan 4000 ano antes da era comum)
Descrição:
https://en.wikipedia.org/wiki/Cucuteni%E2%80%93Trypillia_cultureThomas K. Harper. "The effect of climatic variability on population dynamics of the Cucuteni-Tripolye cultural complex and the rise of the Western Tripolye giant-settlements" (PDF). Chronikajournal.com. Retrieved 14 November 2016.
Müller, Johannes; Rassmann, Knut; Videiko, Mykhailo (22 January 2016). Trypillia Mega-Sites and European Prehistory: 4100–3400 BCE. p. 347. ISBN 978-1317247913. Retrieved 14 November 2016.
Adicionado na linha do tempo:
Data:
1 jan 4050 ano antes da era comum
1 jan 4000 ano antes da era comum
~ 50 years