Catherine of Braganza dowry Bombay England

During Russia’s 1921–22 famine, the American Relief Administration likely saved millions of lives. Its director, Herbert Hoover, was a devoted anti-communist, but argued that starving people should be fed regardless of their politics.

During Africa’s humid period, the Sahara was green and fertile, and returning populations left rock art showing large communities. As the climate dried, rapid desertification took place around 3500 BC.