Signatures of presidents and princes in Downing Street visitor books made public for first timeThree visitors' books from Downing Street signed by some of the most famous names in modern history have been released to the public for the very first time.
Source: Signatures of presidents and princes in Downing Street visitor books made public for first time (https://news.sky.com/story/presidents-princes-and-prime-ministers-signed-extraordinary-collection-of-no-10-visitors-books-made-public-for-first-time-13282045)