Forward from: Αρυολογία☀️ (The Indo-Europeans)
The oldest example of Y-DNA Haplogroup R1a – associated with easternmost Indo-Europeans – has been found in a 12,000-year-old sample from northwestern Russia (Saag et al. 2020) https://www.biorxiv.org/content/10.1101/2020.07.02.184507v1