Yammy Yes, but it isn't the 19th century, hasn't been for over 100 years. you are referring to a time when children went up chimneys and 3 year olds worked in the mines, locked in darkness all day and women were their husband's chattel. A lot has changed since then for everybody
Prince Harry's marriage was one across ethnic boundarie, which are very common in most western countries these days. and at the time of its announcement the vast majority of people were delighted with it.
Of course there will always be people who have racist attitudes, but they are a minority and because, for example, you can find people in this country who are holocaust deniers, that doesn't make us a nation of holocaust deniers and anti-semites. That some people are racist does not make the country as a whole racist, nor does it make the Royal Family racist.