The phrase "a proclamation against" is correct and usable in written English.
It can be used when referring to an official announcement or statement that opposes or condemns something.
Example: "The government issued a proclamation against the new policy, citing concerns from the public."
Alternatives: "a declaration opposing" or "an announcement against".
After becoming Lord Protector, in 1653, Oliver Cromwell quickly issued a proclamation against duelling, and also — according to Jonathan Swift, who had it on good authority — strongly encouraged his nobles to adopt a rude and jokey familiarity with one another.
In May 1792 a proclamation against seditious publications was issued; and the Habeas Corpus Act, which normally prevented the detention of persons without trial, was suspended in 1794 and remained so until 1801.
After becoming Lord Protector, in 1653, Oliver Cromwell quickly issued a proclamation against duelling, and also according to Jonathan Swift, who had it on good authority strongly encouraged his nobles to adopt a rude and jokey familiarity with one another.
Richard II directed the bailiffs of the city to issue a proclamation against dumping waste near the site.
Councilwoman Laura Friedman supported the idea of writing a proclamation against hate speech during the meeting and Councilmen Ara Najarian, Zareh Sinanyan and Frank Quintero all said they would support it as well after the meeting.
A Glendale resident called on the City Council this week to adopt a proclamation against all hate speech, hate crimes and bullying in the city in response to the silence that's followed Councilman Zareh Sinanyan's apology for writing threatening and vulgar comments on YouTube before he was elected.
On January 10 he issued a proclamation warning against Protestant agitation and prohibiting an uprising against the dominion.
In August, 1939, von Neurath issued a proclamation warning against any acts of sabotage and stating that " the responsibility for all acts of sabotage is attributed not only to individual perpetrators but to the entire Czech population". When the war broke out on 1st September, 1939, 8,000 prominent Czechs were arrested by the Security Police in Bohemia and Moravia and put into protective custody.
After a string of early military successes against the royalists, Hidalgo arrived in Guadalajara in late 1810, where he signed a proclamation ending slavery-a proclamation that has been honoured in Mexico since after the war.
Sure, it's not as damning as the time the FBI, CIA and NSA issued a bold proclamation against buying from the company, but it certainly leaves the door open for further scrutiny.
While the fighting was in progress, Aguinaldo issued a proclamation of war against the United States, which immediately sent reinforcements to the Philippines.
