Looking on the internet deeply has found these results:

Victory has been gained is the most popular phrase on the web.

Victory has been regained 10 results on the web	Victory has been gained 1176 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	... in the world as a whole, decisive victory has been gained in the just and sacred war against the fascist aggressors and the moment is near when the Japanese�... Make a joyful noise in praise of God; that is, in acknowledgment that this victory has been gained by his interposition. With a voice of triumph�... Shout unto God Often, just after some signal victory has been gained, there comes the subtle whisper of the enemy, and the overcomer is swiftly shorn of strength through feeling�... ... combat has only a relative meaning of many different gradations, according as the force over which the victory has been gained forms a more or less great and�...

Victory has been regained

10 results on the web

Victory has been gained

1176 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

... in the world as a whole, decisive victory has been gained in the just and sacred war against the fascist aggressors and the moment is near when the Japanese�...
Make a joyful noise in praise of God; that is, in acknowledgment that this victory has been gained by his interposition. With a voice of triumph�...
Shout unto God
Often, just after some signal victory has been gained, there comes the subtle whisper of the enemy, and the overcomer is swiftly shorn of strength through feeling�...
... combat has only a relative meaning of many different gradations, according as the force over which the victory has been gained forms a more or less great and�...