Sentence:  The infamous Wansee Conference called by Heydrich in January 1942 , to organize the material and technical means to put to death the eleven million Jews spread throughout the nations of Europe , was <WSD>attended</WSD> by representatives of major organs of the German state , including the Reich Minister of the Interior , the State Secretary in charge of the Four Year Plan , the Reich Minister of Justice , the Under Secretary of Foreign Affairs . 
Meaning of the word marked with <WSD> tags:  be present at (meetings, church services, university), etc.