3. All the modern Shih Tzu today can be traced back to 14 original Shih Tzu adopted by General Douglas and Lady Bownright in England. The couple saved the Shih Tzu from extinction and brought 14 of them in the UK, where they gained popularity all over Europe.
4. The Shih Tzu popularity in the United States is caused by World War II and the soldiers coming home from war from European theater. They brought some Shih Tzu back in the US with them, thus leading to the spread of the breed.