King Charles III urged the defense of Ukraine and the environment as he welcomed U.S. President Donald Trump and top tech and finance executives for a lavish state dinner at Windsor Castle on Wednesday.

¡°Today, as tyranny once again threatens Europe, we and our allies stand together in support of Ukraine to deter aggression,¡± the king said while offering a toast at the event, capping a day of pageantry designed to strengthen a U.S.-U.K. alliance enduring economic and security headwinds.

¡°In striving for a better world, we also have a precious opportunity to safeguard and restore the wonders and beauty of nature for the generations who follow us,¡± Charles continued.