dyno0919
There were roughly 6 years between the release of Oblivion and Skyrim. I would expect a similar, more than likely greater, amount between FO3 and FO4. This would set a release date sometime in early 2015, but Bethesda has been doing fall releases for the last couple years. If there isn't at least news by the end of 2015 I would be surprised, but I'm about 50/50 whether we see a game in 2015 or 2016.
 
There's no possible way a release date in 2014 exists. Skyrim was announced roughly a year before it's release (11 months exactly). A triple A title like FO doesn't just drop out of the sky on an accidental digital listing. It doesn't matter how far along in development they are. The game could have been finished 3 years ago for all I care; there's a lot of marketing that goes into a release like this, and we have yet to see any.

boredgunner
 
The reason for the big delay between Oblivion and Skyrim was because they also made Fallout 3 in between this time.  Oblivion in 2006, Fallout 3 in 2008, then Skyrim in 2011.  Then there are the expansions/DLC for each game.  
 
The common sense in this thread is high thankfully.  Release dates don't appear out of the blue for games like this.  Will Fallout 4 at least be announced in the last few months of 2014?  We can only hope. 

dyno0919
 
 
I agree with you here, but couldn't a similar argument be made with respect to fallout?
 
eg. "The reason for the big delay between Fallout 3 and Fallout 4 was because they also made Skyrim in between this time.  Fallout 3 in 2008, Skyrim in 2011, then Fallout 4 in 20??.  Then there are the expansions/DLC for each game. "
 
I very well could be wrong as I have no experience with development and release schedules, but adding Fallout into the previously Elder-Scrolls-only schedule may make this increased wait time between sequels of the same franchise a regular thing. Xavier above also noted an average release span of 3 years for Fallout games citing 6 different games, however Bethesda has only developed one of those games. We can't expect Bethesda to operate under the same span as Obsidian/Interplay/Black Isle/etc.
 
Regardless, I really do hope it gets announced soon. I can't wait to see Fallout on the Creation engine.

Fbmbirds
Wasn't Fall Out New Vegas a stand alone game? No mention of it  here regarding when it was release. Sure you have oblivion released 2006 then fallout 3 but what about fall out new vegas. 

Xavier Zepherious
well Erik Todd Dellums (Three Dog)
tweeted "Get ready to use your bottlecaps"
 
 

AcesofDeath7

_Nite_
all this fallout talk makes me want to play 3 and New Vegas again damnit lol, probably alot better mods out for it as well that I havn't tried yet (and no Donta your armor mod I won't use :P)

Here a couple of good Mod Guides for Fallout 3 and New Vegas.
 
http://wiki.step-project.com/User:Kelmych/Fallout3
 
http://wiki.step-project.com/index.php?title=User:EssArrBee/FalloutNewVegas
 

agent8

Xavier Zepherious
well Erik Todd Dellums (Three Dog)
tweeted "Get ready to use your bottlecaps"
 
 

Well, technically, his exact quote was "Ready to use your bottle caps?!"  Not sure if that makes it better or not but I'm holding my breath, I want it to happen badly!

dyno0919
 
Do you really think that Fallout 4 will be released in less than a month with no official announcement or hype? 
 
It doesn't matter when it should be released or even when the game is finished. As many others have said in this thread, there's just no way a company would take that huge of a risk to release a game with no marketing. I could still be wrong of course, only time will tell, but it's wishful thinking to believe we'll see a Fallout game this calendar year, let alone within the next 12 months.