On June 1967 an estimated worldwide audience of 350 million watched The Beatles perform 'All You Need Is Love' as part of the Our World satellite broadcast. This press event took place the day before the live broadcast.
Really cool chart created using Tableau data visualization software. I love the tree of songwriters. This is a screen grab from the O'Reilly newsletter email where I got this, here is a ink to the live interactive display: http://duelingdata.blogspot.com/2016/01/the-beatles.html?imm_mid=0e120d&cmp=em-data-na-na-newsltr_20160302