Just thought I'd set this up as a guide between 1549 and 1553, of course because this site is AU, it is most certainly subject to change.
MAY 20TH, 1549 - OCTOBER 1ST, 1553
May 20th, 1549
Act of Uniformity passes Parliament which forbids other prayer books.
June - August 1549
Rising in the west of England against the Prayer Book and King Edward VI's religious policies.
Ended at the Battle of Samford Courtenay.
August 18th, 1549
Battle of Samford Courtenay.
Defeat of the western rebels by Lord John Russell near Okehampton.
January 22nd, 1552
Edward Seymour is executed based on trumped up charges of treason.
Heading the effort to get rid of Seymour is John Dudley, Duke of Northumberland.
Dudley later marries his son, Guildford, to Lady Jane Grey, in an attempt to rule England through her.
King Edward is ill with a double infection of smallpox and measles.
The king survives but the attack severely weakens his immune system.
King Edward calls off his procession of the southern counties due to his rapidly declining health.
June 21st, 1553
King Edward signs a statement naming Lady Jane Grey as his successor.
In doing this, Edward proclaims his sisters to be bastards, and establishes the granddaughter of Charles Brandon and Mary Tudor as the future queen.
July 6th, 1553
King Edward VI dies.
The announcement of the king's passing is delayed.
Both of the king's sister are invited to court, but both are most likely informed or sense moves against them, and do not come.
July 10th, 1553
Lady Jane Grey is proclaimed Queen of England, otherwise known as the 'nine days queen'.
July 19th, 1553
Forces loyal to Lady Mary Tudor disperse Suffolk's troops and Lady Jane Grey is imprisoned in the Tower of London.
August 3rd, 1553
Lady Mary Tudor and her supporters enter London in triumph.
Lady Elizabeth Tudor and Anne of Cleves come to London in support of Mary.
August 22nd, 1553
John Dudley, the Duke of Northumberland, is executed for treason.
Northumberland was instrumental in the plot to place Jane Grey on the throne instead of Mary Tudor.
August 23rd, 1553
Bishop Stephen Gardiner is created Lord Chancellor of England after his release from the Tower of London.
October 1, 1553
Coronation of Queen Mary I.