The Wayback Machine - https://web.archive.org/web/20110615073500/http://www.theofficialcharts.com/all-the-number-ones-singles-list/_/1966/

ALL THE NUMBER ONE SINGLES

Please note: all charts are listed by week ending dates. 

1966

DATE ARTIST TITLE WKS AT NO.1
22/01/1966 SPENCER DAVIS GROUP KEEP ON RUNNING 1
29/01/1966 OVERLANDERS MICHELLE 3
19/02/1966 NANCY SINATRA THESE BOOTS ARE MADE FOR WALKIN' 4
19/03/1966 WALKER BROTHERS THE SUN AIN'T GONNA SHINE ANYMORE 4
16/04/1966 SPENCER DAVIS GROUP SOMEBODY HELP ME 2
30/04/1966 DUSTY SPRINGFIELD YOU DON'T HAVE TO SAY YOU LOVE ME 1
07/05/1966 MANFRED MANN PRETTY FLAMINGO 3
28/05/1966 ROLLING STONES PAINT IT, BLACK 1
04/06/1966 FRANK SINATRA STRANGERS IN THE NIGHT 3
25/06/1966 BEATLES PAPERBACK WRITER 2
09/07/1966 KINKS SUNNY AFTERNOON 2
23/07/1966 GEORGIE FAME AND THE BLUE FLAMES GETAWAY 1
30/07/1966 CHRIS FARLOWE OUT OF TIME 1
06/08/1966 TROGGS WITH A GIRL LIKE YOU 2
20/08/1966 BEATLES YELLOW SUBMARINE/ELEANOR RIGBY 4
17/09/1966 SMALL FACES ALL OR NOTHING 1
24/09/1966 JIM REEVES DISTANT DRUMS 5
29/10/1966 FOUR TOPS REACH OUT I'LL BE THERE 3
19/11/1966 BEACH BOYS GOOD VIBRATIONS 2
03/12/1966 TOM JONES GREEN GREEN GRASS OF HOME 7