What was unusual about the government of Oklahoma City from its founding on April 22, 1889 to May 2, 1890?

From April 22, 1889, to May 2, 1890, the towns and communities in the Unassigned Lands existed under provisional government because the federal government had not foreseen the need to establish laws to govern the new territory. ... In 1890 William J. Gault became the first nonprovisional mayor.

Explanation:

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.