Arthur, Prince of Wales
During Shaa's term as Lord Mayor, Catherine of Aragon arrived in London as the bride of Henry VII's eldest son, Arthur, Prince of Wales. Shaa was part of the deputation of London civic authorities and members of the livery companies who were instructed to meet her ship 'in their several barges, after their manner accustomed, at Deptford', and to 'hail and salute her in the best manner they can'.