Britain's Queen Elizabeth II held a luncheon party at the historic Windsor Castle in suburbs of London on Friday afternoon in the presence of a number of kings, queens, princes and heads of State and Government of about 26 countries in the world. All the senior guests came to share Queen Elizabeth II and the British people the commemoration of the Diamond Jubilee, marking the 60th anniversary of Queen Elizabeth II's ascension to the throne of Britain after the death of her father King George VI in 1952. On behalf of the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud, the luncheon party was attended by Prince Mohammed bin Nawaf bin Abdulaziz, Ambassador of the Kingdom of Saudi Arabia to the United Kingdom.