Well-prepared by trainer Julia Carey, Flag of Honour was making only his second start in Canada since arriving from down under.
A field of 23 including previous Cup winners Vow And Declare and Gold Trip go to the post for the 'race that stops a nation'.
The 5-year-old horse had just one career win coming into the 'race that stops a nation' but powered to victory in front of 73,000 fans.
Rags-to-riches 5-year-old seeks to become 12th horse to win Caulfield Cup-Melbourne Cup double and first in 20 years.
As Aidan O'Brien, one of the world's leading trainers, tries to win his first Melbourne Cup, his favoured Tiger Moth drew a tough post, 23.
In Sydney, Australia, a wonderful story of a mare who is tough to train, but loves pizza, winning a Group 1- the first for her trainer.