Christians around the world are celebrating Christmas, which marks the birth of Jesus Christ in Bethlehem.

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And 40 years after it opened, the spiritual retreat once viewed by critics as a hippie commune, now hosts Janmashtami, the largest Hindu festival in Europe, which marks the birth of Krishna, a popular God in the Hindu Pantheon.

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It marks what could be a re-birth for the longstanding bookmarking service, which was acquired by Yahoo back in 2005.

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Next year marks the 150th anniversary of Munch's birth, an occasion commemorated by a major joint Norwegian museum exhibition (the event has its own Twitter feed).

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The most critical date in Bordeaux history, however, is 1855: It marks the start of a real wine hierarchy and arguably the birth of the wine snob.

WSJ: Getting to the Bottom of Bordeaux Wines | On Wine by Lettie Teague