Time flies, it had been ten years. I went through / witnessed the ten years at the ages being important to constitute how a person would be. For whatever reasons, I had strong memories on below...

97
Jul - At midnight on June 30, after 156 years of British rule, Hong Kong reverts to China.
Oct - A wave of panic selling over fears for Hong Kong's currency stability sends the Hang Seng Index tumbling 1,200 points - more than 10.4 per cent - on October 23
Dec - More than a million chickens are slaughtered in the city's no-nonsense bid to nip an alarming bird flu epidemic in the bud

98
Jul - Crowds witness the end of an era as the last planes land over their heads at Kai Tak. There are red faces all round the next day, July 6, when technical blunders mar the opening of Chek Lap Kok airport
Sep- Hongkongers make headlines around the world when thousands queue at McDonald's outlets every day for a month to collect free Snoopy dolls

00
Dotcom madness

01
Sep - A 10-month freeze on Home Ownership Scheme flat sales is revealed on September 3. The next day, premier Zhu Rongji says Hong Kong "cannot always discuss without making decisions, and make decisions without execution"

03 (too many happened)
Mar to Jun - SARS
Jul - Half a million people turn out on July 1 to march from Victoria Park to the Central Government Office to protest against a list of grievances
A double-decker bus plunges 50 metres off a Tuen Mun Road flyover, killing 21 commuters
Mainland travellers are allowed to visit Hong Kong on individual tourist visas. Previously, they could only travel in tour groups

05
The World Trade Organisation meetings are plagued by violence. 
On Boxing Day, the world watches in horror as the Asian tsunami disaster unfolds.

There were more, like highest unemployment rate around 04, the recent peak of the Heng Seng Index, the appearnace of China, the ups and downs... how did we make it?

Reference: South China Morning Post, 2007-07-01, Ten Years On Key events in Hong Kong