Assertion: population | /r/CapableOf | reach 1 billion
Facets:
value: in 1820
type: TEMPORAL
Source sentences:
text: In 1820 the world's population reached 1 billion .
text: Dozens of developing countries face acute water shortages early in the next century, but none illustrate the threat better than India, whose population, which is expanding by 18 million per year, will soon reach 1 billion.