wikipedia.org

R5PY1 TIL that in the 1900 Summer Olympics, the Dutch team recruited a young boy from the crowd to be their coxswain. He ran off after the team won and his identity remains unknown.
W7BaB TIL that the Inca civilization used quipu — knotted cords — as a system to record numerical data such as census and accounting information.
nWgPd TIL that opossums almost never carry rabies due to their lower body temperature