China Power | Diplomacy | East Asia

China, Japan, and the Memory Security Dilemma

How historical memory distorts strategic signaling in Sino-Japanese relations.

In April 2026, a Murakami-class Japanese Maritime Self-Defense Force (MSDF) destroyer transited the Taiwan Strait. Such passages have become more frequent amid rising tensions over Taiwan since 2025. Yet this instance triggered an unusually strong reaction from China. The reason was not the transit itself, but its timing. It occurred on April 17, the anniversary of the 1895 Treaty of Shimonoseki, which ended the First Sino-Japanese War. In Chinese historical narratives, the Treaty of Shimonoseki is part of the “Century of Humiliation.”

Chinese commentators quickly interpreted the timing as deliberate. Some viewed it as a symbolic reminder of imperial victory. Others saw it as a signal of strategic intent toward Taiwan. Japanese officials offered no indication that the date carried symbolic meaning. It may have been coincidence. But the dispute highlights a deeper structural problem in East Asian security. States do not only react to actions; they react to meanings. And increasingly, those meanings are determined not by present behavior but by historical memory.

For decades, analysts have explained East Asian tensions through familiar geopolitical factors: military modernization, alliance politics, maritime disputes, and Taiwan’s strategic importance. These remain essential, but they can’t fully explain why relatively minor events generate outsized political controversies between China and Japan.

Historical memory has become a strategic variable. It shapes how governments and publics interpret policy behavior. It determines which signals are perceived, which explanations appear credible, and which intentions are considered plausible.

Under conditions of declining trust, historical memory transforms ambiguity into meaning, coincidence into strategy, and routine behavior into evidence of hostility. This produces what can be called a “memory security dilemma”: a condition in which historical memory systematically amplifies strategic mistrust, leading states to perceive hostile intent beyond what is intended. Unlike the traditional security dilemma, which arises from uncertainty about capabilities and intentions, this one arises from uncertainty about meaning.

International relations theory has long emphasized misperception. States rarely know each other’s intentions with certainty. As Robert Jervis and others have argued, policymakers tend to infer coherence where none exists, connecting isolated events into narratives of strategy.

The traditional security dilemma builds on this logic: defensive actions are interpreted as offensive preparations, producing spirals of mistrust. But in the context of Sino-Japanese relations today, a deeper layer is emerging. Strategic competition is increasingly filtered through historical narratives that shape interpretation of other states’ actions.

The traditional security dilemma is about uncertainty over intentions. The memory security dilemma is about uncertainty over meaning. An action may be fully understood in operational terms while still being misread in symbolic terms. History becomes a cognitive shortcut that fills interpretive gaps. As trust declines, this shortcut becomes dominant. States rely less on present evidence and more on historical analogy to interpret behavior.

The memory security dilemma is most visible in Sino-Japanese relations because the two countries do not remember the same past in the same way. In China, modern history is politically central. Events such as the Treaty of Shimonoseki (April 17, 1895), the Manchurian Incident (September 18, 1931), and the Marco Polo Bridge Incident (July 7, 1937) remain embedded in education, commemorations, and national identity narratives. They are not simply historical references. They function as interpretive frameworks linking past vulnerability to present strategic concerns.

Japan’s memory structure is different. While wartime history has been extensively debated, specific dates tied to Chinese historical trauma are not equally salient in public consciousness and school education. Many Japanese policymakers would not immediately recognize the symbolic resonance in China of dates like........

© The Diplomat