On the occasion of Thailand's National Day, State President Luong Cuong on December 5 sent a message of congratulations to King Maha Vajiralongkorn.

Vietnamese Prime Minister Pham Minh Chinh on Jun 6 sent a message of congratulations to Luis Montenegro on his appointment as Prime Minister of Portugal.

Leaders of the Vietnamese Party, State, Government and National Assembly have cabled messages of congratulations to their Chinese counterparts on 73rd National Day of China (October 1).