The parade, the second to be held since the Covid-19 pandemic, has 4,200 participants this year, with many musicians and acrobats.
Among the personalities present at these festivities, the American comedian Patrick Duffy, famous for having played Bobby Ewing in the emblematic series of the 1980s "Dallas".
An international guest of honor, the actor whose grandfather emigrated to the United States in the 1920s blew out the candles of his 74th birthday on a large green cake.
"Return is the key word that people feel when they come to Ireland, the feeling of going back somewhere," he said.
In the south of England, Prince William, heir to the British crown, and his wife Kate, visited the Irish Guards, a regiment of the British Army, of which the Princess of Wales became honorary colonel.
© 2023 AFP