Norwegian King Harald V sent congratulations to the President of Viet Nam, H.E. Mr To Lam, which said
"Your Excellency,
On the occasion of your inauguration as State President of the Socialist Republic of Viet Nam, I am sending you my warmest congratulations on behalf of myself and the people of Norway, and my hopes for the welfare and prosperity of the people of Viet Nam.
Harald R"
Source: royalcourt.no/press/gratulations-and-condolences/congratulations-to-the-president-of-vietnam