On one occasion in 1814, Long-Wellesley held a grand fête in Wanstead House and its gardens to celebrate his uncle the Duke of Wellington's victory over Napoleon, attended by the Prince Regent, a number of other members of the royal family, and over a thousand dignitaries.
On one notable event in 1814, Long-Wellesley organized a grand celebration at Wanstead House and its gardens to commemorate his uncle the Duke of Wellington's major triumph over Napoleon, which was attended by the Prince Regent, other influential members of the royal family, and a substantial assembly of respected people.