A certain rule is applied to the days expressed in the format of DD/MM/YYYY.
According to that rule,
- Roberto Matta was a famous painter born on the smallest day of the 20th century.
- Roger Federer is a famous tennis player born on the largest day of 1981.
According to the same rule,
- Which country witnessed an uprising on the largest day of the 20th century?
- Which are the smallest and largest days of the 21st century?