On 16 August 2023 Ambassador Tanee Sangrat met with Governor Chadchart Sittipunt of Bangkok, at Bangkok City Hall 2 to discuss ways to advance Sister City relationship between Bangkok and Washington, D.C. especially on educational exchanges, human resources development, cultural activity exchanges, trade and investment promotion, and best practice sharing on urban planning.

The Governor of Bangkok proposed to coordinate with the U.S. Embassy in Bangkok on the plan to organize Sawasdee Bangkok Festival, in connection with Sawasdee DC Thai Festival in Washington, D.C.

Bangkok and Washington, D.C. established their sister city affiliation in 1962, when both became the other’s first sister city. Both sides also signed reaffirmation agreements in 2002 and 2012.