If you're looking for anime similar to Sakon: Sengoku Fuuunroku, you might like these titles.
After his parents are killed by the Evil Lavic, Arthur is a contender to become King of all Britain. Arthur and his brave knights embark on a quest for the Holy Shield – the only hope to beat Lavic and unify the kingdom.
In the second King Arthur series, Arthur conceals his true identity in order to defeat Ziking as he and his four new companions begin a journey of adventures.
Two centuries ago, it was the beginning of the Industrial Age in Japan. Hiwou, Sai and their siblings and friends live peacefully in a quiet village and play with clockwork machines for fun, until one day a nefarious group called the Wind Gang attacks. Hiwou finds himself in the cockpit of the Homura, a giant clockwork doll built by his ancestors which the Wind Gang wants to destroy. With their home burned to the ground and their families held hostage, Hiwou and the rest must set forth to find his long-lost father and find a way to bring peace to everyone once more.
As he nears the New World, Christopher Columbus tells cabin boy Paco about his youthful hardships, the difficulties of convincing others of his vision, and the final victory when King Ferdinand and Queen Isabella agreed to sponsor his trip. The sailors are doubtful, though Columbus is vindicated when they arrive on land, but it's not as the planned destination of Japan.