TRIVIAL PURSUITS: Which British Group Started the So-Called ‘British Invasion?’

The Beatles hit American by storm and are often credited with starting the so-called “British Invasion” of the American music industry.
By PS

But, the Beatles are not the group that started this invasion; what group was?

 

In 1962, the group The Tornados were the first British Group to hit No. 1 on the Billboard Top 100 with their instrumental “Telstar,” beginning the so-called “British Invasion.”