21 January 2020
- President of Albania H.E. Mr. Ilir Meta
- President of Armenia H.E. Mr. Armen Sarkissian
- President of the Argentine Republic H.E. Mr. Alberto Fernández
- Governor-General of Australia the Honourable David Hurley AC DSC (Retd)
- Federal President of Austria H.E. Mr. Alexander Van der Bellen
- Chairman of the Milli Majlis of the Republic of Azerbaijan H.E. Mr. Ogtay Asadov
- Chairman of the House of Representatives of Belarus H.E. Mr. Vladimir Andreichenko
- King of Belgium His Majesty King Phillipe
- Chairman of Presidency of Bosnia and Herzegovina H.E. Mr. Željko Komšić
- President of Bulgaria H.E. Mr. Rumen Radev
- Governor General of Canada the Right Honourable Ms. Julie Payette
- President of Croatia H.E. Ms. Kolinda Grabar-Kitarović
- President of Cyprus H.E. Mr. Nicos Anastasiades
- Prime Minister of the Czech Republic H.E. Mr. Andrej Babiš
- Prime Minister of Denmark H.E. Ms. Mette Frederiksen
- President of European Council H.E. Mr. Charles Michel
- President of the European Commission H.E. Ms. Ursula von der Leyen
- President of the European Parliament H.E. Mr. David Sassoli
- President of Finland H.E. Mr. Sauli Niinistö
- President of France H.E. Mr. Emmanuel Macron
- President of Georgia H.E. Ms. Salome Zourabichvili
- President of Germany H.E. Mr. Frank-Walter Steinmeier
- President of the Hellenic Republic H.E. Mr. Prokopios Pavlopoulos
- Representative of the Holy See His Eminence Cardinal Kurt Koch
- President of Hungary H.E. Mr. János Áder
- President of Iceland H.E. Mr. Guðni Thorlacius Jóhannesson
- President of Italy H.E. Mr. Sergio Mattarella
- Speaker of the Saeima of Latvia H.E. Ms. Ināra Mūrniece
- Grand Duke of Luxembourg HRH Henri
- President of Moldova H.E. Mr. Igor Dodon
- Minister of State of Monaco H.E. Mr. Serge Telle
- President of Montenegro H.E. Mr. Milo Đjukanović
- King of the Netherlands His Majesty Willem-Alexander
- President of North Macedonia H.E. Prof. Dr. Stevo Pendarovski
- The Crown Prince of Norway HRH Crown Prince Haakon
- President of Portugal H.E. Prof. Marcelo Rebelo de Sousa
- President of Romania H.E. Mr. Klaus Iohannis
- President of the Russian Federation H.E. Mr. Vladimir Putin
- President of Serbia H.E. Mr. Aleksandar Vučić
- President of Slovakia H.E. Ms. Zuzana Čaputová
- President of Slovenia H.E. Mr. Borut Pahor
- King of Spain His Majesty King Felipe VI
- Prime Minister of Sweden H.E. Mr. Stefan Löfven
- President of Ukraine H.E. Mr. Volodymyr Zelenskyy
- The Prince of Wales HRH Prince Charles, United Kingdom
- Vice President of the United States of America H.E. Mr. Michael R. Pence
- Speaker of the House of Representatives of the United States of America Congresswoman Nancy Pelosi
