In this example one milestone might be making the decision to travel by plane and making the reservation.
But it is only the latest stage in eight centuries of reinvention, in which the opening of a public museum in 1793 was just one milestone.
For the freelance writer who wants to be making a living wage by the end of his second year of business, one milestone could be the first paid contract.
But it did have one small milestone for a longtime admirer of the band.
The one billion milestone means e-file has delivered real services to taxpayers, including faster refunds and more accurate tax returns.
See which of the 100 most powerful women break the one million follower milestone.
Kendra recently passed the impressive one million followers milestone on Twitter and is quickly approaching 600, 000 Facebook fans.
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We project that WSJ.com will soon reach the milestone of one million paying subscribers.
Angry Birds has reached the one billion-download milestone that all game-makers ache to reach.
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And when you look over those numbers, Windows Phone is approaching a rather nice milestone of selling one million handsets per week.
FORBES: Windows Phone On Course To Sell One Million Handsets Per Week
It took the company eight years to achieve one billion shipments, a milestone it crossed in February 2007, and a bit more than two years to deliver the next billion.
ENGADGET: Netflix notches 2 billionth delivery with a Blu-ray disc HD
Saturday's election marks a historic milestone for Pakistan as one civilian government completes its term and prepares to hand off to another.
"Our milestone fifth year is one where the spotlight shines on everyone who makes Latin music, not just the established performers, " said Mr Abaroa on Wednesday.
BBC: NEWS | Entertainment | New faces get Latin Grammys nods
In the U.S., most moms start off breast-feeding, but only 40% are still doing so at six months and just 20% make it to one year, which is the milestone that the AAP recommends at a minimum.
Still, the upturn in housing is a milestone, a particularly welcome one amid a distressing dearth of jobs.
Last year Nissan achieved an historic milestone of selling more than one million LCV's worldwide in a single year.
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The company said for the first time it had "achieved the milestone" of producing over one billion plastic cartons of fresh milk.
Pickover ably describes each physics milestone in the span of one page.
Girardi reached the milestone in his 844th game, one fewer than Billy Martin.
One is usually hesitant to over celebrate a milestone success, knowing full well that our major postulated target remains up the road.
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It is fantastic to see him reach this milestone and he has always been one of the best horseman in the business.
BBC: SPORT | Other Sport | Horse Racing | Fitzgerald passes 1,000 mark
Argentina would get there even earlier, it said, reaching the milestone in 2013, while Kenya - one of Africa's most connected countries - would hit the target in 2016.
The government was celebrating its own broadband milestone earlier this year as it announced that one million Britons had fast net connections.
"Digital radio continues to transform the way people listen to the radio and one third of all listening to digital platforms represents an important milestone, " he said.
Forty-one-year-old Tom Glavine missed his chance at a milestone last night.
The Facebook IPO will be a significant milestone for the Internet and technology industry as Facebook is one of the fastest growing and prominent companies, now with more than 800 million users.
" What's more, while the research hasn't even begun yet, one of the professors involved sees it as nothing short of a milestone, saying that "the outcome of the research will define the scientific and technological requirements for the design of humanoid robots able to develop complex behavioural, thinking and communication skills through individual and social learning.
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The 1, 500th hit of Robinson Cano's career was a forgettable one, an infield single to second base, notable only because of its milestone nature.
Williams will celebrate a person milestone of his own on Saturday by winning his 95th cap, taking him one clear of Colin Charvis as Wales' most capped forward.
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