Pioneers of all things prog, Led Zeppelin celebrate 40 years since their debut album was released this year. If that wasn't enough Jimmy Page also turns 60 this month and Robert Plant has been given a CBE by the Queen.
Think you know it all? Well, here's 10 facts that no discerning fan should be without...
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#1: What's in a name?
They took their name from a comment by The Who's Keith Moon and John Entwistle that the band would "go down like a lead balloon - or a lead zeppelin!" Manager Peter Grant insisted they spelt the first word "Led" so that "thick Americans" would not pronounce it "lead" as in "lead the way".
#2: Big band, big sales
Led Zeppelin have sold more than 300 million albums and in one week in 1979 had all eight of their albums to date in America's Billboard Top 200. They never released singles in Britain but sold hundreds of thousands of them in the US.
Led Zeppelin
#3: Looking after the pennies
The band's 1969 debut album, Led Zeppelin I, was recorded in just 36 hours at a cost of £1,782. At the time, the band had been together for just two-and-a-half weeks.
