The biggest event of the Monroe administration was the purchase of Florida from Spain.
The biggest event in Polk's administration was the Mexican War and its aftermath.
the gold rush
signing the Jay's treaty
Iranian hostage crisis
The Mexican War was the biggest event during the Polk Administration.
Iranian hostage crisis
Iranian hostage crisis
Iranian hostage crisis
Iranian hostage crisis
One big event that happened in America during World War 1 was that the economy started to improve. Industry also picked up during this time.
One big event that occurred during the latter part of Gottfried Wilhelm von Leibniz's life was the Salem Witch Trials in colonial North America.