A great app "Today in History" provides you the complete information on the past events, births, deaths and even more with many more Wikipedia links and social sharing option on Today’s date.
Awesome features of the app:
* Fully-enabled commenting
* Over 100 entries per day
* Add favorites and friends
* Personalized events
* Over 100k events
* Offline capacity
* Streamlined event submission approval
* Multiple Wikipedia links for each entry
* Event sharing via Facebook, Twitter, email
Also know more about the app here - http://www.downshiftit.com/todayinhistory.
This app requires iOS 4 or later and compatible with iPhone, iPod Touch and iPad. You can download it from the iTunes - http://itunes.apple.com/us/app/today-in-history/id312028507?mt=8.
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