The other side Cavalry of Khalsa empire

So many kings, emperor's and knights walk over this earth. but there history is like thousands and millions of yrs old. But there is like one knight that happens to be exist on this earth like
only 200 yrs ago. a king apparently at the same time he was a knight as well. king of Punjab
Maharaja Ranjit singh ji. he is a himself a role model, a sculpture of courage and valour sculpted by his bravery . he faught so many wars and he is already entitled to be won every single war he stepped in. there are tons of books written for them.
great king Ranjit singh ji, he had known to be having something zeal is that he had kept
so many people from Europe and America and vice versa on a job. those foreigners landed a job in his court or army or else. after researching they are found to be 72 . during khalsa empire a different kind if chaos is found in the streets and alleys of lahore in the evening time. many people from different countries like europe America
France, Italy, Greek, hungary, Persian, German, Scotland, australia, Ireland, Portugal, Spanish
they present there countries culture and the outfits and costumes of there culture in the streets while roaming. somewhere you will find yourself hearing franch, somewhere Spanish or maybe german. this whole scene seems like a flower bed where there are thousands of different species of flower but each of them have different fragrance which attracts people apparently , but they all increase the beauty vibes whatsoever. who were they?? where are they from? so many less people know about it.
I will try to describe each and everything through this book.