Tolong jelaskan mengenai Sejarah K-League dari K League 1

Seongnam Ilhwa Chunma are the most successful team in terms of championship victories, having lifted the title on no less than seven occasions. The roll-call of champions is as follows (present-date names included where teams have changed names previously):

K-League's principle of official statistics is that final club succeeds to predecessor club's history & records.