Early in 1925, Aarne died in Helsinki (Finland) where he had been a lecturer at the University since 1911 and where he had held a position as Professor extraordinarius since 1922.
Đầu năm 1925, Aarne qua đời tại Helsinki khi ông đang là giảng viên tại Đại học Helsinki (từ 1911) and where he had held a position as Professor extraordinarius từ 1922.