Prince William and his new bride Catherine will visit California in July, following their first official tour as husband and wife to Canada, palace officials announced on Thursday. \"The Duke and Duchess of Cambridge will visit California, United States of America, following their tour of Canada in July this year,\" said a statement from the prince\'s official London residence, St James\'s Palace. \"The couple will visit the state of California from 8th July to 10th July 2011. A detailed itinerary will be published at a later date.\"