April 17th 1970, While performing at the White House at the invitation of President Richard Nixon, Johnny Cash was asked to perform "Okie From Muskogee". Cash declined because it was not his song, but had been a hit for Merle Haggard. Instead, Cash sang his No.1 hit, 'A Boy Named Sue'.
April 17th 1998, Linda McCartney died after a long battle against cancer. Married Paul McCartney in 1969 when she was working as a photographer. As well as a being a member of Wings, she became an animal rights campaigner and launched her own brand of vegetarian food.