A coalition of Taiwanese civic groups is publicly pushing back on Beijing's main historical argument for owning Taiwan, framing the island's future as a decision for its own people.

• The groups say the Cairo Declaration was a wartime statement of intent, never registered with the UN and carrying no legal force.
• They argue Beijing is bending an 80-year-old document to shape how the world sees Taiwan's status.
• Churchill himself told the British parliament the declaration was a political statement, not a binding treaty.
• The 1951 San Francisco peace treaty is cited as having settled the question, with the declaration since used by whoever it suited — first the Chiang family, now Beijing.
• The coalition wants Taipei to state its position openly and to fix how sovereignty is taught in schools.

Outlook: Expect more pressure on Taiwan's government to formally rebut the Cairo argument as China keeps leaning on it in international messaging.