sentence1: Tomasz Merta ( 7 November 1965 , Legnica -- 10 April 2010 , Smolensk ) was a Polish historian and Polish Undersecretary of State from 2005-2010 .
sentence2: Tomasz Merta ( November 7 , 1965 , Legnica -- April 10 , 2010 , Smolensk ) was a Polish historian and Polish Secretary of State from 2005-2010 .