In which decade did the TV show "I Love Lucy" first premiere?

In which decade did Beatlemania sweep the world?

In which decade did the disco era, known for dancing and nightclub culture, reach its peak?

In which decade did personal computers, home video games, and MTV all rise simultaneously?

In which decade did grunge music emerge from Seattle with bands including Nirvana and Pearl Jam?

In which year did Woodstock take place?

In which decade were social media platforms such as Facebook, YouTube, and Twitter launched?

Leg warmers, aerobics videos, and Jazzercise are most associated with which decade?

In which decade was the "Harry Potter" book series first published?

In which year was "Saturday Night Fever" released?