Admiralty in the 16th century has organized the fleet into squadrons from at early 13th century and certainly during the 16th century. In 1560 three squadrons were operating in the Channel, Irish Sea and North Sea Until the 16th century, admirals were high officials under kings, and were charged with protecting the realm from sea attack. The English navy's Narrow Seas Squadron also called as the Eastern Squadron mainly operated in the two seas which laying between England and Kingdom of France (the English Channel particularly the Straits of Dover) and England and the Spanish Netherlands later the Dutch Republic (the southern North Sea). Include:
St. Bartholomew's Day massacre tensions, in explaining the French Wars of Religion, also re-emphasised the role of religion in the St Bartholomew's Day Massacre. He noted that the extra violence inflicted on many of the corpses "was not random at all, but patterned after the rites of the Catholic culture that had given birth to it." "Many Protestant houses were burned, invoking the traditional purification by fire of all heretics. Many victims were also thrown into the Seine, invoking the purification by water of Catholic baptism". Viewed as a threat to the social and political order, Holt argues that "Huguenots not only had to