Ricky Martin live in early 2000.

Ricky Martin live in early 2000.

Redferns / Getty Images

Fifteen years ago this week, the superstar helped ignite a Latin crazy on U.S. charts. Plus, remembering key chart feats for Live, Pet Shop Boys and Roxette

Your weekly recap celebrating significant milestones from more than seven decades of Billboard chart history

May 5, 1962
The "West Side Story" soundtrack began the longest command in the Billboard 200's history: an incredible 54 weeks at No. 1. In the half-century since, Michael Jackson's "Thriller" (37 weeks, 1983-84) has come the closest to challenging the mark.

May 6, 1995
As alternative music went mainstream in the '90s, Live's "Throwing Copper" hit No. 1 on the Billboard 200 a week shy of its first anniversary on the chart. The set yielded the No. 1 Alternative Songs smashes "Selling the Drama" and "Lightning Crashes."

May 7, 1966
The Mamas & the Papas' second Billboard Hot 100 hit "Monday, Monday" hit No. 1 on the tally, where it stayed for three weeks. The act's breakthrough, "California Dreamin'," had risen to No. 4 two months earlier. The group added four more top five hits through 1967.

May 8, 1999
Fifteen years ago today, we were goin' crazy for Ricky Martin's "Livin' La Vida Loca," as the song began a five-week command of the Billboard Hot 100. The song helmed a Latin pop boom in the U.S., with Jenner Lopez, Marc Anthony and others crossing over, as well.

May 9, 1998
The "Titanic" soundtrack sails to its 16th and final week at No. 1 on the Billboard 200. The following week, Dave Matthews Band's "Before These Crowded Streets" replaces"Titanic" at the summit.

May 10, 1986
They didn't work in a pet shop – and thankfully so, since they make pretty good musicians. Twenty-seven years ago today, England's Pet Shop Boys danced to No. 1 on the Billboard Hot 100 with their debut smash, "West End Girls."

May 11, 1991
Sweden's most famous musical duo, Roxette, reached No. 1 on the Billboard Hot 100 with "Joyride." The album of the same name from the pair (which is still together) also produced the No. 2-peaking "Fading Like a Flower (Every Time You Leave)" and the top 40 hits "Spending My Time" and "Church of Your Heart."