16th April 1970, The Led Zeppelin single 'Whole Lotta Love' was certified Gold in the US after selling over a million copies.
April 16th 1969, Elektra Records dropped Detroit's MC5 from their label after the band took out an advertisement in a local paper that included the company logo and said; "Fuck Hudsons." The band were protesting at the Michigan department store's refusal to stock their albums.