15 February

Charts
as announced on this day, with no.1 single (new in bold). Click year for full chart.
 * 1970: Edison Lighthouse - Love Grows (Where My Rosemary Goes) (4/5)
 * 1977: Leo Sayer - When I Need You (1/3)
 * 1983: Kajagoogoo - Too Shy (1/2)
 * 1998: Celine Dion - My Heart Will Go On (1/2 n.c.)
 * 2004: Sam & Mark - With a Little Help From My Friends (1/1)
 * 2009: Lily Allen - The Fear (3/4)
 * 2015: Ellie Goulding - Love Me Like You Do (2/4)
 * 2019: Ariana Grande - Break Up With Your Girlfriend I'm Bored (1/1)

Top of the Pops
host DJ and number one single. Click year for show details
 * 1968: Jimmy Savile & Dave Cash. Manfred Mann – Mighty Quinn.
 * 1973: JS. The Sweet – Blockbuster
 * 1979: Peter Powell. Blondie – Heart Of Glass
 * 1990: Anthea Turner. Sinead O’Connor – Nothing Compares 2 U
 * 1996: Justine Frischman. Babylon Zoo – Spaceman.
 * 2002: Jamie Theakston. Enrique Iglesias – Hero.