Misc: what's the worlds most popular, non-alcholic, organic beverage??

Questions

In 1930 Mohandas Gandhi began ---------- -mile march protesting British salt tax.?

In 1936 FDR conducts his first "---------- Chat".?

In 1939 Pope ---------- was crowned in ceremonies at the Vatican.?

In 1940 Al---------- , singer, born.?

In 1940 Finland surrendered to the ---------- during World War II.?