The phrase "asserted victory" is correct and usable in written English.
It can be used when someone claims or declares that they have won or succeeded in a particular situation or competition.
Example: "After the final whistle blew, the team asserted victory, celebrating their hard-fought win."
Alternatives: "claimed victory" or "declared victory".
It was, he asserted, a victory for art.
In public, Mr. Bush's army of lawyers, advisers and aides, led by former Secretary of State James A. Baker III, were careful not to assert that victory would be theirs after the Supreme Court heard arguments on Monday morning.
There are knaves holding small pieces of paper in the air, talking of chads impregnated or dimpled; there are bullies, asserting their victory, moral and factual and illusory, over those they regard as pretenders; and there are blackguards of every sort, declaring that democracy and the people's will are their fondest concern, when in fact they have only their own welfare at heart.
And yet, Mr. Fidler asserted his own victory.
Still, if the worst is confirmed when it comes to the company's role in the US election – critics have asserted their Trump victory claim is little more than PR spin – Cambridge Analytica has mastered the arts of big data and psychometrics to roll out a vast, surreptitious social media advertising campaign that appealed to the hopes and fears of the most granular personality types. .
A28 In a television interview, Mr. Bush asserted that his potential victory would be legitimate.
Their main party, Hizbullah, asserted that its "divine victory" entitled it to a bigger share of power.
The bishops have defined the rules, chosen and financed the umpires, and will naturally declare a victory, he asserted.
And, just as Mr. Gore has argued, Mr. Bradley asserted that a Republican victory could lead to a roll-back of abortion rights.
It enunciated the proposition that all history had hitherto been a history of class struggles, summarized in pithy form the materialist conception of history worked out in The German Ideology, and asserted that the forthcoming victory of the proletariat would put an end to class society forever.
