When was the first State of Origin played?

Related questions

1. Who is the fastest Welsh rugby player?
2. What is the average rugby league player salary?
3. Who is the biggest player in the NFL?
4. When did EA Origin start?
5. How did Parramatta get its name?
6. Where is rugby league played in England?
7. What is the meaning of State of Origin?
8. How fast was Jonah Lomu 100m?
9. How much do rugby referees get paid?
10. Who won State of Origin 2018?

Tags

1. #rules
2. #interstate
3. #rugby
4. #three
5. #matches
6. #series
7. #around
8. #middle
9. #origin
10. #played
11. #shield
12. #onwards
13. #match
14. #state
15. #selection
16. #league
17. #under
18. #there
19. #season
20. #experimental