10 ago 1859 ano - The successful vulcanization of rubber provides women with reliable condoms for the first time. The birth rate in the United States continues its downward, century-long spiral. By the late 1900s, women will raise an average of only two to three children, in contrast to the five or six children they raised at the beginning of the century.
Adicionado na linha do tempo:
Data:
10 ago 1859 ano
Agora
~ 164 years ago
