Trump and Xi Invoke WWII Alliance Against Japan, Unsettling Tokyo
Quick Look
US President Donald Trump and Chinese President Xi Jinping repeatedly referenced their countries' World War II alliance against Japan during a White House summit, causing concern in Tokyo and prompting Japanese Prime Minister Sanae Takaichi to seek a phone call with Trump.
AI-generated summary
Why It Matters
The United States and China were allies during World War II in the fight against Japan, a historical fact rarely emphasized in recent US-China relations.
Both presidents harked back at the summit to when their countries fought side by side against Japan, generating unease in Tokyo
3 -MIN READ3 -MIN
Published: 11:00am, 26 Sep 2026
Japanese Prime Minister Sanae Takaichi is reportedly trying to arrange a phone call with Donald Trump following the US president’s nostalgic invocation of the alliance with China during World War II, references that sent shock waves through Tokyo.
Trump made the references as he welcomed Chinese President Xi Jinping to the White House on Thursday for his first state visit to Washington in over a decade.
Both Trump and Xi repeatedly invoked their nations’ wartime alliance against Japan in their remarks – an unusual historical reference that immediately unsettled Tokyo.
Takaichi said on Friday that Tokyo and Washington were “allies bound by very strong ties” based on mutual trust. But she pointedly declined to comment on the Trump-Xi summit.
What to Watch
AI outlook — possibilities, not facts
Japanese Prime Minister Sanae Takaichi will arrange a phone call with Donald Trump to address concerns over the WWII alliance references.
Likely · Within days
Open Questions
- Will Trump follow up on the WWII alliance references in future policy toward China?
- How will Japan respond to the renewed emphasis on the US-China historical alliance?
- Is there a planned phone call between Trump and Takaichi to address Tokyo's concerns?







