The Nazi invasion of Poland on September 1st, 1939 was the first event of World War 2.
Stephen Austin brought the first settlers to Texas.
The First World War
Well, since the Watergate Scandal happened in 1972, and WWII ended 1945. I think you should be able to go out there and tell the world the WWII happened first. =)
The first transcontinental railroad was completed.
ARPANET was developed
the event that happened first in this narrative was Mary Rowland caring for her sick baby until its death
That event has not yet happened.
57s86td
The tornado
The AIDS epidemic was finally recognized although the first case had been found decades earlier.
The creation of the universe.
The flutila