The premature state of “Topology” and “Graph Theory” nourished by “Seven Bridges of Königsberg Problem”

The premature state of  “Topology” and “Graph Theory”  nourished by  “Seven Bridges of Königsberg Problem”
[Aim of this article: To give a brief history of graph theory and topology]  [Note: This article is somewhat technical.] Many many years ago, there was a problem which created a mind-boggling puzzle to the eminent mathematician named Leonard Euler. But this isn’t the main starting of our story. There was a historical city of Königsberg ...