Henry VIII became King of England on 21 April 1509. He reigned from 21 April 1509 until 28 January 1547.
Henry VIII, dates from the website The Tudor Monarchs, see link below. Henry VIII ascended to the throne on 21 April 1509 and was crowned two months later.
Born: 28 June 1491
Greenwich Palace
Accession: 21 April 1509
Coronation: 24 June 1509
Westminster Abbey
Died: 28 January 1547
Whitehall Palace
Buried: 16 February 1547
St. George's Chapel, Windsor Castle
Came to throne when his father Henry VII died.
King Edward VI (1537 - 1553) came to the throne after Henry.
Edward, then Mary, then Elizabeth and the last one that servied was Henry Katherine parr was the mother
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King Henry VIII succeeded to the English throne in 1509 upon the death of his father, King Henry VII.
England and Ireland
To get a son as heir to the throne
Douglas MacArthur
Both Mary Tudors (Henry VIII's younger sister and Henry VIII's eldest legitimate daughter) were deceased by the time Elizabeth came to the throne.
Henry the 8th wanted a son (air) to the throne
Edward VI. He was the son of Henry and Jane Seymour.
A son, who would be the indisputable heir of the throne.