When was the last time Chelsea won the Premiership?

Related questions

1. When was the last time Liverpool won the EPL?
2. Who won the EPL title in 2013?
3. How many times have Liverpool been relegated?
4. Who won the Premier League 2000 01?
5. Which club has most trophies in the world?
6. How many times have Arsenal been relegated?
7. What teams are promoted to Premier League?
8. How is EPL winner decided?
9. When did Alex Ferguson leave Man U?
10. Which EPL teams were relegated 2018?

Tags

1. #while
2. #since
3. #triumphed
4. #became
5. #chelsea
6. #claim
7. #arsenal
8. #blackburn
9. #times
10. #title
11. #fourth