Notification feature is one of the key feature of Android running smartphones this give you an instant update from the apps on real time, to see new notification you can slide down the notification bar to see all new notifications and quickly jump onto detail of notification by tapping on a particular notification message. The notifications can be cleared by tapping on clear button (located above the notification feed) so what if you want to see the cleared notifications because you could not given attention to it and cleared the notification feed in hurry.
However it is not mentioned in official update of Android 4.3 Jelly Bean what’s new page but you can see the history of notifications despite knowingly or unknowingly has cleared your notifications by tapping on clear button.
So if your smartphone is running on Android 4.3 or most recent version of Android version you can view history of notifications by following the bellow step by step guide.
Step 1: From home screen tap to Apps icons and switched to widgets view
Step 2: Find out 1×1 Settings widget, tap it and move it to home screen area, it will reveal further options (if you have no empty space on your home screen to place 1×1 app widget then delete a widget by tapping an app icon and moving it to delete icon and drop there to delete it,eventually it will create a space for a new widget icon)
Step 3: From the list of options tap on Notifications from available choices
Step 4: Tap on the Notifications icon that you recently placed on home screen to see notifications history
From notifications you can also control certain apps to send notifications.
Credit: Labnol.org