It regulated European colonization and trade in Africa during the New Imperialism period and coincided with Germany's sudden emergence as an imperial power. (dec 26, 1883 – nov 3, 1889)
Description:
https://en.wikipedia.org/wiki/Berlin_ConferenceAdded to timeline:
Date:
dec 26, 1883
nov 3, 1889
~ 5 years and 10 months