Determine if the sentence is true based on the text below:
The Samsung Galaxy Tab 7.7 was first shown to the public on a Thursday

The Samsung Galaxy Tab 7.7 is a tablet computer of a series of Android-based tablet computer produced by Samsung, introduced on 1 September 2011 at IFA in Berlin. Related models are the Galaxy Tab 7.0 Plus, Samsung Galaxy Tab 2 7.0, and Samsung Galaxy Tab 3 7.0.
It's impossible to say