With Henry VIII's Great Matter, his six-year quest for an annulment of his marriage to Catherine of Aragon and his harsh treatment of her in the 1530s, we tend to forget that Henry was once besotted with Catherine. He had chosen to marry her in 1509, he wasn't forced into it by diplomatic negotiations, and they were happy for over fifteen years.
On this day in 1510, just seven months after their midsummer marriage, Henry VIII decided to dress himself and his men up as outlaws or Robin Hood as his men. He wanted to surprise his bride, and he succeeded. How wonderful! You can read Edward Hall's account in my article 18 January 1510 – Henry VIII dresses up