1. This Week in Billboard Chart History: In 1983, Michael Jackson Moonwalked to No. 1

    March 02, 2015 8:05 AM EST The King of Pop began a seven-week reign on the Hot 100. Plus, remembering chart feats by Baauer, Britney Spears and 50 Cent. Your weekly recap celebrating significant milestones from more than seven decades of Billboard chart history March 2, 2013 Two years ago today, Baauer blasted in…