KEYSTONE Canada/Nancy Kaszerman/ZUMA Press/Pool Photorapher/WireImage.com
The Hot 100 just turned the big 5-0.
The seminal singles chart turned a half-century-old today, having made its Billboard magazine debut on Aug. 4, 1958. Ricky Nelson's "Poor Little Fool" topped the inaugural Hot 100 chart, which covered the week ended Aug. 9, and nearly a 1,000 songs have graced its perch since.
In celebration of its silver anniversary, here's our own hit list of Hot 100 highlights: