On November 5, 2025, a welcome reception dedicated to the anniversary meetings of the C5+1 multilateral format was held at the U.S. State Department building in Washington, D.C. About this reports MFA of Turkmenistan. 

The event was attended by the heads of foreign ministries of Central Asian states and the United States, as well as senators and members of the U.S. House of Representatives, representatives of government agencies and business circles of Central Asian countries and the United States.

During the reception, it was emphasized that the current historic event, marking the anniversary of the founding of the C5+1 format, is of great importance for the further strengthening of regional cooperation, comprehensive partnership, and mutual understanding between the participating countries.