When was the presidential primary election?

Related questions

1. Where did Trump grow up?
2. Can a Republican run for president in 2020?
3. Can an ex president run again?
4. Who's running for president 2020?
5. Will Trump run again in 2020?
6. Does the president get paid for life?
7. How many years can a president serve?
8. What does midterm election mean?
9. Who will be the Democratic nominee in 2020?
10. What is the purpose of having an election?

Tags

1. #organized
2. #electoral
3. #states
4. #president
5. #convention
6. #presidential
7. #party
8. #national
9. #select
10. #determine
11. #contests
12. #least
13. #nominee
14. #caucuses
15. #primaries
16. #series
17. #democratic
18. #united
19. #election
20. #delegates