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on this occasion is the most popular phrase on the web.

upon this occasion. 1400,000 results on the web	on this occasion 119,800,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I've been known to be contrary, upon occasion. This should also be mentioned briefly on this occasion. Casey worked for him upon occasion. I want all of you to mark this occasion. I have saved her life upon two separate occasions. That's inappropriate music for this occasion. But he was not the shooter on this occasion. Lady Mae has offered to chaperone Rosalie on this occasion.	Although on this occasion, I'd say I took your lesson to heart. But he was not the shooter on this occasion. Well, on this occasion, I take you for very foolhardy people. Has Miss Woodhouse not surpassed herself on this occasion? This should also be mentioned briefly on this occasion. Lady Mae has offered to chaperone Rosalie on this occasion. Unfortunately, the European Parliament's voice has not been taken into account on this occasion. But on this occasion, we aren't.

upon this occasion.

1400,000 results on the web

on this occasion

119,800,000 results on the web

More popular!

Although on this occasion, I'd say I took your lesson to heart.
But he was not the shooter on this occasion.
Well, on this occasion, I take you for very foolhardy people.
Has Miss Woodhouse not surpassed herself on this occasion?
This should also be mentioned briefly on this occasion.
Lady Mae has offered to chaperone Rosalie on this occasion.
Unfortunately, the European Parliament's voice has not been taken into account on this occasion.
But on this occasion, we aren't.