Kate says

I have many alternative worlds, all on my bookshelf. Working at BookLikes.com Say hello: kate at booklikes dot com

"It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity, it was the season of Light, it was the season of Darkness, it was the spring of hope, it was the winter of despair, we had everything before us, we had nothing before us, we were all going direct to Heaven, we were all going direct the other way—in short, the period was so far like the present period, that some of its noisiest authorities insisted on its being received, for good or for evil, in the superlative degree of comparison only."
A Tale of Two Cities (Signet Classics) - Charles Dickens, Frederick Busch

First sentence form "A Tale of Two Cities" by Charles Dickens.

 

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Wow, I think it's one of the longest first line in classic!

 

Well, maybe let's not take into consideration 'stream of consciousness' literary period ;)