The phrase "ago popular" is not correct and cannot be used in written English.
It seems to be a combination of "ago" and "popular," which do not fit together in a meaningful way.
Example: "That style was popular a decade ago."
Alternatives: "was popular in the past" or "was trendy back then."
This tells me that decades of anti-corruption reforms are bearing fruit, because even 20 years ago popular anti-corruption protests in Brazil would have been unthinkable.
A thousand years ago, popular birth control methods in the Western world included spitting into the mouth of a frog, eating bees and wearing the testicles of a weasel.
More or less since Nietzsche declared God "dead" nearly 140 years ago, popular wisdom has held that science and religion are irreparably misaligned.
When George Grant started singing, more than 60 years ago, popular music was not yet a young person's game.
Decades ago popular department stores such as Bullock's, Broadway, May Co. and Robinson's drew throngs of shoppers to a thriving retail district.
Twenty years ago a popular protest against a new gold mine turned into a call for local democratic rights.
About 10 years ago the popular science writer Martin Gardner wrote an essay titled "How Mrs. Piper Bamboozled William James".
Here we found statistically significant upticks in tracking mechanisms from just five months ago: more popular sites are using more cookies.
President Gloria Macapagal Arroyo, who cannot run because of term limits, became president nine years ago after popular unrest toppled the democratically elected Joseph Estrada.
Just a few years ago, a popular T-shirt seen around campus referred to Tuscaloosa as a "drinking town with a football problem".
A few years ago, a popular economic exercise concerned the "opportunity costs" for the likes of Bill Gates bending over to pick up a $100 from the sidewalk.
