july the 20th the assassination attempt on hitler in the bunker at the wolf songs, last week they land is in other france took place and this week marks the 75th anniversary of one of the most glorious moments of the war when the city of light paris was liberated at the four years of german occupation. on the eastern front the massive soviet an offensive, the red army approached the river in warsaw, the capital of poland where the war in europe had begun in 1939, this led to the hero of but tragic all were surprising, tonight we have two premier military historians with us to share their insights and studies on these last two monumental events, our guest scholar doctor cathal nolan was here just last november for a 2018 an international conference on world war ii, doctor nolin is associate prefecture and executive director of the international history institute and boston university. he is an award-winning teacher and scholar of military and international history, his 2017 work on a lure of battle a history of how wars are won and lost, received the prize for military history, the 50,000 dollar prize is coasts collared by the institut