Interactive Historical Visit Timeline & Escalation Index
Click nodes to inspect event breakdown
Regional Diplomatic Friction Index (Calculated Impact)
Baseline Calibration
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Japanese Defence Minister pays annual visit to Yasukuni Shrine on the anniversary of World War II surrender. Triggers immediate formal diplomatic protests from Beijing and Seoul.
Test how alternative actions (e.g. sending Masakaki tree ritual offerings vs. physical in-person visits) alter diplomatic friction metrics.
Diplomatic friction modeling aggregates official bilateral diplomatic responses (diplomatic demarches, ministerial summons, summit postponements, trade advisory warnings) across historical cabinet and defense minister visits to Yasukuni Shrine (1945–2026).