1537 – He was born in the 12th day of October in this year at Hampton Court Palace in London. He automatically became the Duke of Cornwall. He also became the Prince of Wales.
1541 – His first illness, experienced at the age of four, was a "quartan fever" which lasted for months. His supposed frailty may have led Henry VIII to quickly seek to remarry; the King’s last three marriages (Anne of Cleves, Catherine Howard, and Catherine Parr), however, did not produce any children.
1547 – He was crowned as king at Westminster Abbey on the 20th day of February on this year. He created a new Council of twenty-six members.
1549 – His brother, and the widower of Catherine Parr, Thomas Seymour, 1st Baron Seymour of Sudeley, the Lord High Admiral, took advantage of this weakness by hatching a plot to depose Somerset.
1552 – He got ill again with measles and pulmonary tuberculosis which killed after a year.
1553 – He died in the 6th day of July in this year at a very young age of 15.