7 11
International World Population Day
"The day was suggested by Dr. K.C.Zachariah in which population reaches Five Billion when he worked as Sr Demographer at World Bank."
https://en.wikipedia.org/wiki/World_Population_Day
7 11
International World Population Day
"The day was suggested by Dr. K.C.Zachariah in which population reaches Five Billion when he worked as Sr Demographer at World Bank."
https://en.wikipedia.org/wiki/World_Population_Day