Yes, proclamation is a synonym for announcement or declaration, as it refers to making a formal statement or announcement, often publicly.
proclamation
* publication * proclamation * pronouncement
An edict is a proclamation, command, directive, law, or pronouncement.
broadcaststatement, communication, declaration, advertisement, bulletin, communique, proclamation, report, revelation
law, order, ruling, act, command, statute, proclamation, edict, judgment, finding, ruling, decision, verdict, arbitration
bring, carry, bear, transport, convey, cart, hand over
announcement, proclamation, decree, notification, edict, pronouncement
The Proclamation of 1763
No, "proclamation" is a noun.
Emancipation proclamation
The Latin for proclamation is edictum.
The Proclamation was created in 1809.