HSBC is now 'a vastly different bank from the conservatively run local institution' of decades ago, one newspaper editorial said.
Affectionately known as Tarzan, Lord Heseltine helped bring about the revival of the London Docklands and down-at-heel parts of Liverpool three decades ago.
Unilever and Procter &Gamble started selling shampoo and washing powder in small sachets more than two decades ago to cater for customers with cramped living spaces and even more cramped budgets.
But in the early spring three decades ago, Mount St. Helens began to rumble.
Only when its biology was understood and chemical pesticides and aerial spraying became available a few decades ago, could efforts be made to control the insect.
Smaller banking crises of the sort that separately beset America, Britain, Japan and Sweden two or three decades ago are less damaging to the world economy but happen more frequently.
Just two decades ago, shops had surly staff offering a few drab items, often locked safely away in glass cases.
The convictions represent one of the biggest blows against match-fixing in cricket since it emerged that the practice was rife two decades ago.
However, two decades ago there was nothing like the current global credit crunch.
Only a few decades ago the prevailing worry was that television, the reigning medium at the time, was creating a generation of unimaginative couch potatoes, if not intellectual vegetables.
That will require a rapid and difficult campaign to modernize their economies by ramming through market-opening reforms they should have imposed decades ago.
Several decades ago, when I was just a countryside urchin raising cattle and sheep, I began my reading life.
It might be kind of fanciful to some, but on the other hand, space travel was considered science fiction not that many decades ago.
This word was not familiar to the people some decades ago.
In fact, Paul says he has more energy and vitality than he did decades ago.