Emperor Meiji of Japan’s reign began in 1867, and it marks a time of significant change in the country’s history. After the emperor and his consort died in the early 20th century, the Meiji Jingu shrine was built to memorialize them.
Research:

Behind the Scenes Minis: Alaska and Contraceptives
28:17

The IUD: A History
44:41

Elizabeth Peratrovich
43:42