The phrase "act of proclamation" is correct and usable in written English.
It can be used in contexts where an official announcement or declaration is being made, often in legal or formal settings.
Example: "The act of proclamation was necessary to formally announce the new policy changes to the public."
Alternatives: "declaration of announcement" or "proclamation event".
National monument, in the United States, any of numerous areas reserved by act of Congress or presidential proclamation for the protection of objects or places of historical, prehistoric, or scientific interest.
Cromwell's reforms ground to a halt in 1539, the initiative lost, and he failed to secure the passage of an enabling act, the Proclamation by the Crown Act 1539.
Subsequent to the Act's proclamation in 1996, it faced a series of legal challenges from opponents of voluntary euthanasia.
Some regarded the proclamation as an act of great political shrewdness.
Yet independence did not become William's objective even after the proclamation of the Act of Abjuration.
He called the proclamation "the central act of my administration," and even "the great event of the nineteenth century".
Rather than a presidential proclamation or an Act of Congress, the creation of the storm warning system was a David versus Goliath story of individual scientists overcoming the bureaucracy.
Despite Southern howls that the Emancipation Proclamation was an act of unrestrained wartime barbarism meant to unleash slave revolts, Witt hails Lincoln's great edict as containing "a millennium of moral and legal reasoning".
Lithuania would not regain its independence until the proclamation of the Act of the Re-Establishment of the State of Lithuania on March 11 , 1990
A cloud of uncertainty hovered over one of Mr. Clinton's last acts, a proclamation designating part of Governors Island in New York Harbor as a national monument, to be managed by the National Park Service.
