There were no Peace Keeping duties between 1900 and 1930. The concept of Peace Keeping was developed in the wake of the Suez Crisis in 1956. Prior to this, the UN did use troops to supervise various actions in the world, but real Peace Keeping came into it's own after Suez.
Canadian Derby was created in 1930.
Your Question Can Not Be Answered You Asked It Wrong. If your trying to say has it erupted since 1900 and 1930 then the answer would be no
Walter Baker - Canadian politician - was born in 1930.
William King - Canadian politician - was born in 1930.
Jack Johnson - Canadian politician - was born in 1930.
in the late 1930"s
@ 1900 to 1930
William Black - Canadian politician - died on 1930-05-03.
George Boyce - Canadian politician - died on 1930-02-28.
In the US prior to 1930, the principal source of news was newspapers. Around 1930, radio became widespread.
Women in American society from 1900 to 1930 were housekeepers until the Great Depression. Women had to do sewing and laundry for others in 1929 and 1930 just to put food on the table after their husbands lost their jobs. They also had to work day labor jobs.
* on average about $640 in 1930 *on average about $700 in 1939