Between 1949 and 1989, soviet scientists exploded 470 nuclear devices in northeastern

Between 1949 and 1989, soviet scientists exploded 470 nuclear devices in northeastern Kazakhstan . After world war II this northeastern part of Kazakhstan became the nuclear weapon testing site of the Soviet Union. With the collapse of the Soviet Union regime in 1991 this testing ground was closed by Kazakhstan president. Believed clean up was done to the area to eliminate risks posed by radioactive materials.

1920 census

the census was scheduled for january the 1st, as the government believed that more farmers would be in their homes by that time instead of april. the census did not ask about unemployment, the number of children, and how long was a couple married were not taken into consideration. individuals were considered as residents of the places they normally slept, not the places were they worked at or visited.

2010 census

the census was scheduled for april 1st, 2010. it was the shortest census in history: it only contained 10 questions related to name, age, gender, ethnicity, relationship, and whether the citizen owned a home or rented one. the government launched a website in order to provide the citizens with information regarding the census. there were also "teach census weeks" in schools nationwide.