20 March

79th day of the year (80th in leap year) March

Charts
as announced on this day, with no.1 single (new in bold). Click year for full chart.
 * 1968: Dave Dee, Dozy, Beaky, Mick And Tich - Legend Of Xanadu (1/1)
 * 1973: Slade - Cum On Feel The Noize (4/4)
 * 1979: Gloria Gaynor - I Will Survive (2/4)
 * 1984: Lionel Richie - Hello (1/6)
 * 1988: Aswad - Don't Turn Around (1/2)
 * 1994: Doop - Doop (2/3)
 * 2005: Tony Christie ft Peter Kay - (Is This Way To) Amarillo (1/7)
 * 2011: Nicole Scherzinger - Don't Hold Your Breath (1/1)

Top of the Pops
host DJ and number one single. Click year for show details.
 * 1969: Pete Murray. Peter Sarstedt – Where Do You Go To (My Lovely)
 * 1975: Tony Blackburn. Bay City Rollers – Bye Bye Baby.
 * 1980: Mike Read. The Jam – Going Underground.
 * 1986: Simon Bates & Janice Long. Diana Ross – Chain Reaction.
 * 1998: Jo Whiley. RUN D.M.C. versus Jason Nevins – It’s Like That.