historians, it is something of a jackpot -- the only known voice recording of german chancellor otto von bismarck has been found. the recording was made in 1889 at his home. it gives listeners a more intimate glimpse of a man known as the iron chancellor. berlin has plenty of tributes to audubon bismarck, the founder of the german reich, the landmark victory column celebrates the campaigns to unite germany. now, a short recording of the iron chancellor's voice has surfaced. he was reciting snippets of the french national anthem. the recording was made in 1889 on a wax cylinder, a technology that was showing promise at the time. >> my experience tells me that it is authentic. of course, it would make sense for others to review the recordings to see if his words ring true given the time period. >> u.s. inventor thomas edison was developing the wax cylinder phonograph and sent it to make the recordings. they were discovered but left untouched for years. bismarck also has some sage advice for his son. "live life in moderation including work, eating, and drinking" -- words to live by in the 21st centu

. >> and a blast from the past -- the voice of germany's first chancellor, otto von bismarck, is discovered by historians. egyptian officials say dozens of people have been killed in fan violence after a soccer match in the northern city of port st. -- said. fans say the field was stormed. details are coming in, but at least 50 people were killed, and there are other reports that put that toll even higher. for more on the story, i am joined by our correspondent in cairo. tell us how this tragedy developed. >> according to official regulators, 73 people died. more than 1000 people were injured. the whole thing started during a soccer match at the crossroads of the suez canal and the mediterranean. we have 73 deaths. rival fans stormed the field, and then there were confrontations with the fans of cairo. reports say this was initiated in order to continue with emergency law and there were discussions leading to impose a curfew. the egyptian parliament said it did the prosecutor said he was going to investigate the case. >> is there a history of rivalry between these teams? >> yes, there is a