. >> gladys knight also known as the empress of soul was born. newsnation's markie. martin takes a look back. >> today is may 28 fire up those grills and past the condiments, its national hamburger day in 1937, volkswagen vw was founded. did you know the manufacturer name actually means people's car team? 44 singer gladys knight was born in in that same year, lawyer and politician rudy giuliani was paul mccartney, released his second solo album titled ran in after 22 years of restoration work in milan, italy, leonardo da vinci's masterpiece. the last supper was put back on display in 2006 barry bonds hit his 715 home runs past babe ruth on the major league baseball list. and we remember american poet maya angelou who died at age 86. >> and actually, my angela publish 7 autobiographies and 3 books of essays and she has won over 50 major awards and honors in her life to you could call her prolific for sure. alright, 10, 15 is the time. >> and check it out. these 3 students now are representing the bay area in this year's scripps national spelling bee. >> you got on you