On this day in 1987: M/A/R//R/S were at #1 on the UK singles chart with ‘Pump Up The Volume.’ The first British-made house hit heavily sampled other recordings which resulted in litigation.

Also on this day in 1987: Whitney Houston was starting her second and final week at #1 on the U.S. singles chart with “Didn’t We Almost Have It All.”

Here’s a look at the complete Top 20 on the U.S. singles chart from this very day back in 1987:

1 1 DIDN’T WE ALMOST HAVE IT ALL –•– Whitney Houston (Arista)-10 (1) (2 Weeks at #1)
2 2 HERE I GO AGAIN –•– Whitesnake (Geffen)-14 (2)
3 5 LOST IN EMOTION –•– Lisa Lisa & Cult Jam (Columbia)-10 (3)
4 4 I HEARD A RUMOUR –•– Bananarama (London)-12 (4)
5 7 CARRIE –•– Europe (Epic)-10 (5)
6 10 U GOT THE LOOK –•– Prince with Sheena Easton (Paisley Park)-10 (6)
7 13 WHO WILL YOU RUN TO –•– Heart (Capitol)-8 (7)
8 6 WHEN SMOKEY SINGS –•– ABC (Mercury)-14 (5)
9 14 PAPER IN FIRE –•– John Cougar Mellencamp (Mercury)-8 (9)
10 16 ONE HEARTBEAT –•– Smokey Robinson (Motown)-12 (10)

11 17 CASANOVA –•– Levert (Atlantic)-8 (11)
12 3 I JUST CAN’T STOP LOVING YOU –•– Michael Jackson & Siedah Garrett (Epic)-9 (1)
13 19 JUMP START –•– Natalie Cole (Manhattan)-11 (13)
14 23 CAUSING A COMMOTION –•– Madonna (Sire)-4 (14)
15 22 LET ME BE THE ONE –•– Expose (Arista)-8 (15)
16 29 BAD –•– Michael Jackson (Epic)-3 (16)
17 9 TOUCH OF GREY –•– Grateful Dead (Arista)-11 (9)
18 12 WIPE OUT –•– Fat Boys & Beach Boys (Tin Pan Apple)-13 (12)
19 24 LITTLE LIES –•– Fleetwood Mac (Warner Brothers)-6 (19)
20 8 LA BAMBA –•– Los Lobos (Slash)-15 (1)