https://trends.google.com/trends/explore?date=all&q=Oligarc https://trends.google.com/trends/explore?date=all&q=Oligarc Seems they've been popular since the ea

https://trends.google.com/trends/explore?date=all&q=Oligarc https://trends.google.com/trends/explore?date=all&q=Oligarc Seems they've been popular since the early 2000s - as far back as Google trends goes.