The ceremony of proclamation of Sovereign of the United Kingdom of Great Britain and Northern Ireland in a ceremony at St. James’s Palace in London on Saturday, the 10th of September.

King Charles III in his capacity as Sovereign of the United Kingdom (September 10, 2022).

Charles III is declared Sovereign of the United Kingdom.

In the picture King Charles III with Prince William and Queen Consort Camilla during the proclamation of his reign in London.

Photo: Victoria Jones WPA Poole/Getty Images

President Volodymyr Zelenskyy signed the book of condolences with a portrait of the Queen by his side.

Credit: UK in Ukraine/Twitter (September 12, 2022)

The leader wrote that her memory "will forever remain in the history of mankind".

Volodymyr Zelensky also talked with representatives of the Embassy of Great Britain in Ukraine.