He spent much of his early life outside England, living mostly in Holland and France, due to the political instability in his homeland during the English Civil War and the Protectorate. Upon his brother Charles II's restoration to the throne in 1660, James returned to England and became a prominent figure in government and politics.
Here's a summary of some key aspects of James' life and his tenure as the Duke of York:
1. Military Career: James had a strong interest in naval and military affairs. He served as the Lord Admiral of England and had a successful naval career, commanding the English fleet in several battles, including the Battle of Lowestoft in 1665 and the Battle of the Sound in 1666.
2. Political Controversies: James became a controversial figure due to his conversion to Catholicism in the 1670s. Catholicism was illegal in England at the time, and James' conversion led to political divisions and conflicts within the government and the country as a whole.
3. Exclusion Crisis: His conversion to Catholicism and potential succession to the throne sparked a political crisis known as the Exclusion Crisis in the late 1670s. The English Parliament attempted to pass the Exclusion Bill, which sought to exclude James from the line of succession due to his Catholicism. However, the bill ultimately failed, and James succeeded his brother to become King James II of England in 1685.
4. Reign as King: James' reign as King James II was marked by further religious and political conflicts. His policies in favor of Catholicism and his clashes with Parliament ultimately led to his overthrow and the Glorious Revolution of 1688, in which he was deposed in favor of his daughter Mary and her husband William of Orange.
While he served as the Duke of York, James' contributions to the navy and military were significant, but his tenure was also characterized by religious controversies and political conflicts that would have a profound impact on his future role as king and the history of England.