Coach Damian McGrath's team also downed the Americans 26-19 last month to take the title in Singapore, Canada's first Cup final win in 140 tournaments.
England have been a bogey side for SA this year, beating them three times, including in the final of the Cape Town leg of the series. Trailing 21-0 at half-time it seemed like that sorry statistic had the shelf life of atomic waste.
The Bagpipes were in full cry as Scotland ran out to play in their second semi-final in as many weeks.
Wight and Robertson retire from the game they have graced and coach Callum MacRae, who has worked miracles in turning Scotland from laughing stock into world beaters, moves to Edinburgh Rugby.
James Stannard added to his scoring tally making it four for the day and was definitely being hailed as a hero and the catalyst of the day's impressive team performance.
The Kiwis blew a 21-0 lead at halftime and with seconds left in the match were leading 21-17.
The defending champions then went on to defeat the United States of America 21-14 in the semi-final with a late try from Jo Nayacavou, before beating England 12-7 in the final.
Board for talaq debate before law
The personal law board has said that the harmonising effect can not be done by court and should not be done by court. The real temper of the country is that people want this triple talaq to end. "We are working on it", he said.
Blake then took advantage when England paused, thinking there might have been a Scottish knock-on, but Norton was judged to have stripped the ball in the tackle and the Scotland player picked up the loose ball to score.
Then in a surge up the middle of the field, full of support play, Scotland captain Scott Riddell was on hand to finish off, and they held on to give departing coach Calum MacRae and retiring players Mark Robertson and Scott Wight a ideal send-off.
"There's an terrible lot of credit that goes to the players and the staff". "You know that the team has heaps of potential but it is only rarely that you get to fulfil that".
"With a bit more time together this week we are hoping to do even better in the final tournament of the series".
What did you think of the win?
Spain were no match for the powerful running of the English in the opener as Dan Bibby crossed for his 49th try in the competition in a 28-7 win.
The All Blacks Sevens have been humiliated on the final day of their tumultuous season at the London Sevens. At least this squad went out at the top after a memorable victory in West London.