Looking on the internet deeply has found these results:

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

on this special occasion 11,960,000 results on the web	for this special occasion 12,790,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
And though, I do not drink, I will take a sip on this special occasion to christen the White House to bringing' it back to God's name. On this special occasion, I'd like to celebrate with a song How could you invite her today on this special occasion? On this special occasion, how do you feel? On this special occasion, be thankful for the one you're with. On this special occasion, I would like to express my sincere thanks to all those who have helped to build a solid foundation for the euro.	I'd like to thank you all for coming to this very special occasion, the dedication of our beautiful new school... LOOK WHAT I HAD COOKED UP FOR THIS SPECIAL OCCASION. Thank you for coming and sharing this special occasion as we say farewell to our dear friend Darren. "Teenstyle" magazine would like to thank all of our participants for making this pageant a special occasion for all of us. I save this for special occasions, and this, my Jenna ration, is a special occasion. I kept this for a special occasion, but since we won't get back to port for a while... We should really save this for a special occasion.

on this special occasion

11,960,000 results on the web

for this special occasion

12,790,000 results on the web

More popular!

And though, I do not drink, I will take a sip on this special occasion to christen the White House to bringing' it back to God's name.
On this special occasion, I'd like to celebrate with a song
How could you invite her today on this special occasion?
On this special occasion, how do you feel?
On this special occasion, be thankful for the one you're with.
On this special occasion, I would like to express my sincere thanks to all those who have helped to build a solid foundation for the euro.

I'd like to thank you all for coming to this very special occasion, the dedication of our beautiful new school...
LOOK WHAT I HAD COOKED UP FOR THIS SPECIAL OCCASION.
Thank you for coming and sharing this special occasion as we say farewell to our dear friend Darren.
"Teenstyle" magazine would like to thank all of our participants for making this pageant a special occasion for all of us.
I save this for special occasions, and this, my Jenna
ration, is a special occasion.
I kept this for a special occasion, but since we won't get back to port for a while...
We should really save this for a special occasion.