This morning's #StateOpening was the 64th occasion on which The Queen has opened Parliament.
It was the 28th occasion Cardiff had opened the scoring this season but there had been few better than the England international's wonder goal.
Chinese security forces have opened fire on several occasions.
On several occasions Chinese executives, faced with particularly violent strike action, have opened fire on their workforce.
According to a report prepared by Waxman's staff, since 2005 Blackwater operatives in Iraq have opened fire on at least 195 occasions.
The Mob Museum has just opened – on Valentine's Day, which was the occasion for a celebrated massacre 83 years ago last Tuesday.
The first, at the 2001 United States Open, was a historical novelty, but such occasions have become the rule.
But these occasions have been too rare.
I was happy to have an occasion to open my old copy of "The Golden Bough," by Sir James George Frazer, which I've been toting around with me since college.
On a number of occasions they have held open days of its gardens, which feature a brook criss-crossed by bridges, so that Du Maurier enthusiasts could soak up the atmosphere.
