i learned today that there are two kinds of corgis
Cool, what are the two kinds of corgis?
there is one called the pembroke welsh corgi the other is a cardigan welsh
That's awesome. Which one do you like the best?
maybe the pembroke. its credited to be from around the 10th century 
When was the first corgi invented/discovered?
some time during the 10th century. it descend from the line that is the northern spitz-type dog
It's awesome to know that it has such a rich history and tradition!