Are you interested in Vikings? They raided and explored from the Middle East to Iceland. 
I dont know much about the,but my family blood line is supposed to have viking in it im told.
They were able to take most everywhere they went except Scotland. The word Viking actually means Pirate in Old English and Seafarer in Old Norse. 
I know one thing they would do is use a shield wall in battle to protect the front.
They actually adopted that from Pre-Early Modern warfare from other nations. 
Interesting! every time i see a viking depicted they have long blonde hair a a helmet with horns lol.
, Estonia, the British Isles, France, Kievan Rus' and Sicily.
Facilitated by advanced sailing and navigational skills, and characterised by the longship, Viking activities at times also extended into the Mediterranean littoral, North Africa, and the Middle East. Following extended phases of (primarily sea- or river-borne) exploration, expansion and settlement, Viking (Norse) communities and governments were established in diverse areas of north-western Europe, Belarus, Ukraine and European Russia, the North Atlantic islands and as far as
of a Danish king. A new runic alphabet was first used around the same time and Ribe, the oldest town of Denmark, was founded about AD 700.
History Viking and Middle Ages.
From the 8th to the 10th century the wider Scandinavian region was the source of Vikings. They colonised, raided, and traded in all parts of Europe. The Danish Vikings were most active in the eastern and southern British Isles and Western Europe. They conquered and settled parts of England (known as the Danelaw) under King