Middleton was formally introduced to public life on 24 February 2011, two months before the wedding, when she and Prince William attended a lifeboat-naming ceremony in Trearddur, Anglesey, in North Wales.[74] A day later they appeared in St Andrews to launch the university's 600th anniversary celebrations. On 16 February 2011, Clarence House announced that the Duke and Duchess's first royal tour of Canada would take place in July 2011.[75] In May 2011, shortly after the wedding, Clarence House announced that the Duke and Duchess would extend their tour to visit California. This was to be the Duchess of Cambridge's first visit to the United States