Unangan (Aleut) population declines further (24 ноя 1836 г. – 22 июл 1839 г.)
Описание:
Smallpox, measles, chicken pox, and whooping cough epidemics reduce the Unangan (Aleut) population, which had been steadily declining since Russians first arrived in 1732.Добавлено на ленту времени:
Дата:
24 ноя 1836 г.
22 июл 1839 г.
~ 2 years and 7 months