Champagne have been made for special occasions and people, the most notable example perhaps being the 20 fluid ounce / 60 cL. bottle (Imperial pint) made especially for Sir Winston Churchill by Pol Roger. In 2009, a bottle of 1825 Champagne was opened at a ceremony attended by 12 of the world's top wine tasters. This bottle was officially recognised by "Guinness World Records" as the oldest bottle of Champagne in the world. The contents were found to be drinkable, with notes of truffles and caramel in the taste. There are now only two other bottles from the 1825 vintage extant.
Bottle variation tasting younger than the same wine stored at a more typical 13 °C (55 °F). Finally, not all corks seal equally well, and a faulty cork will allow air into the bottle, oxidizing it prematurely. However, a corked wine would be described as a simple fault rather than bottle variation, even though the corked bottle would be clearly different from a non-corked example. Sometimes, it is not clear what causes the variation. Bottles stored together their entire lives, with no obvious faults, can taste completely different. Thus there is a saying, "There are no great old wines, only great bottles."