King George Declares Rebellion: War on the Colonies

King George III stood before his Privy Council on August 23, 1775, and declared the American colonies in a state of open rebellion. The proclamation, officially issued on August 22, ordered all loyal subjects to help suppress the uprising and report anyone engaged in "traitorous conspiracies." With those words, the king eliminated any remaining ambiguity: Britain would use military force to crush the colonial resistance. The declaration came four months after the battles of Lexington and Concord and two months after Bunker Hill, where British soldiers had suffered over a thousand casualties taking a fortified position from colonial militia. The Continental Congress had already authorized the creation of a Continental Army under George Washington. Yet many colonists, and some members of Parliament, still hoped for reconciliation. The Continental Congress had sent the Olive Branch Petition to London in July, professing loyalty to the Crown while asking the king to intervene against Parliament's punitive legislation. George III refused to read the petition. His proclamation framed the conflict not as a dispute over taxation or governance but as criminal rebellion against lawful authority. The language was deliberate: calling the colonists rebels rather than petitioners placed them outside the protection of law and made their leaders subject to execution for treason. Lord North's government followed up with the Prohibitory Act, which blockaded colonial ports and authorized seizure of American ships. The proclamation had the opposite of its intended effect. Colonists who had clung to the hope of compromise now faced a binary choice: submit or fight. Moderates in the Continental Congress lost their argument for negotiation. Within five months, Thomas Paine published Common Sense, which sold 500,000 copies and argued for full independence. Within eleven months, the Declaration of Independence was signed. George III's refusal to hear his subjects' grievances became the catalyst for the nation they built without him.