Argentine President Javier Milei has called for renewed negotiations over the sovereignty of the Falkland Islands, proposing a diplomatic framework modeled on the 1984 Sino-British Joint Declaration that led to the handover of Hong Kong. This suggestion aims to address the longstanding territorial dispute between Argentina and Britain over the South Atlantic archipelago, known in Argentina as the Islas Malvinas.

Argentina’s claim to the Falklands is based on historical and legal arguments rooted in territorial succession following its independence from Spain in 1816. Buenos Aires contends that it exercised governmental authority over the islands from 1820 until 1833, when British forces expelled Argentine officials and settlers, an act Argentina has never recognized as legitimate. The islands are located approximately 480 kilometers from the Argentine mainland, contrasting with their distance of nearly 13,000 kilometers from Britain, highlighting the geographical disconnect. Argentine legal experts Marcelo Kohen and Facundo Rodriguez have articulated the claim in international law terms, emphasizing the principle of uti possidetis juris, which affirms Argentina’s inheritance of Spanish sovereignty at independence.

Argentine officials reject the principle of self-determination as applied by Britain, arguing that the current island population is a “transplanted” community rather than an indigenous one. They point to Britain’s 2013 referendum—where 99.8 percent of the roughly 3,600 islanders voted to remain a British Overseas Territory—as insufficient grounds for sovereignty, contending that demographic preference alone cannot legitimize what they see as colonial occupation. This perspective aligns with United Nations Resolution 2065, adopted in 1965, which recognized the dispute’s legitimacy and called for negotiations between Buenos Aires and London.

Milei’s proposal takes inspiration from the Hong Kong handover arrangement, where the United Kingdom transferred sovereignty to China while preserving Hong Kong’s existing social and economic systems under a “one country, two systems” framework. Under a similar approach, the Falkland Islanders could keep their governance structures and British cultural identity despite a transfer of sovereignty to Argentina.

The British government asserts that self-determination is paramount and stresses the islanders’ clear wish to remain under British rule. Critics of the Argentine position note that the United Nations’ decolonization framework and the absence of a referendum in Hong Kong’s case illustrate that sovereignty questions often involve balancing historical claims with the rights of current inhabitants.

Changing geopolitical dynamics also influence the dispute. The United States, historically neutral, is reportedly “reviewing” its position amid closer ties between President Donald Trump and President Milei. Meanwhile, Britain faces challenges including demographic shifts and a reduced global role, factors that complicate the defense and administration of a remote territory.

Milei has emphasized Argentina’s preference for a peaceful resolution and rejected military action, urging Britain to respond in kind rather than rely solely on the 2013 referendum outcome. Observers suggest that a negotiated settlement, possibly modeled on the decade-long Hong Kong transition, could offer a viable path forward—one that preserves the interests of the islanders while addressing Argentina’s sovereignty claims.

Chinese diplomats are identified as potential mediators, given their role in the Hong Kong negotiations. Absent such dialogue, experts warn, the dispute risks remaining a protracted standoff with limited prospects for resolution. Milei’s outreach signals a willingness to engage, and some analysts see it as an opportunity for Britain to reconsider its posture toward the islands, taking into account evolving historical, geographic, and political realities.