These are the number-one singles of 1966 according to the Top 100 Singles chart in Cashbox magazine

Issue date Song ArtistJanuary 1 We Can Work It Out The BeatlesJanuary 8 January 15 January 22 January 29 The Sound of Silence Simon & GarfunkelFebruary 5 Barbara Ann The Beach BoysFebruary 12 Lightnin' Strikes Lou ChristieFebruary 19 February 26 These Boots Are Made for Walkin' Nancy SinatraMarch 5 The Ballad of the Green Berets SSgt. Barry SadlerMarch 12 March 19 March 26 April 2 19th Nervous Breakdown The Rolling StonesApril 9 Daydream The Lovin' SpoonfulApril 16 (You're My) Soul and Inspiration The Righteous BrothersApril 23 April 30 Good Lovin' The Young RascalsMay 7 Monday, Monday The Mamas & the PapasMay 14 May 21 May 28 When a Man Loves a Woman Percy SledgeJune 4 A Groovy Kind of Love The MindbendersJune 11 Paint It, Black The Rolling StonesJune 18 Strangers in the Night Frank SinatraJune 25 Paperback Writer The BeatlesJuly 2 July 9 Hanky Panky Tommy James and the ShondellsJuly 16 July 23 Wild Thing The TroggsJuly 30 They're Coming to Take Me Away, Ha-Haaa! Napoleon XIVAugust 6 Lil' Red Riding Hood Sam the Sham & the PharaohsAugust 13 Summer in the City The Lovin' SpoonfulAugust 20 August 27 Sunny Bobby HebbSeptember 3 Sunshine Superman DonovanSeptember 10 Yellow Submarine The BeatlesSeptember 17 You Can't Hurry Love The SupremesSeptember 24 Cherish The AssociationOctober 1 October 8 October 15 Reach Out I'll Be There The Four TopsOctober 22 96 Tears Question Mark & the MysteriansOctober 29 Last Train to Clarksville The MonkeesNovember 5 November 12 Poor Side of Town Johnny RiversNovember 19 Good Vibrations The Beach BoysNovember 26 Winchester Cathedral The New Vaudeville BandDecember 3 You Keep Me Hangin' On The SupremesDecember 10 Winchester Cathedral The New Vaudeville BandDecember 17 December 24 I'm a Believer The MonkeesDecember 31

See also 1966 in music List of Hot 100 number-one singles of 1966 (U.S.)

References https://web.archive.org/web/20101121003637/http://cashboxmagazine.com/archives/60s_files/1966.html http://musicseek.info/no1hits/1966.htm