Here is a list of the StarWars movies by release year :-

Released	Title	Notes
1977	StarWars 4 - A New Hope
1980	StarWars 5 - The Empire Strikes Back
1983	StarWars 6 - Return of the Jedi
1999	StarWars 1 - The Phantom Menace
2002	StarWars 2 - The Clone Wars
2005	StarWars 3 - Revenge of the Sith
2015	StarWars 7 - The Force Awakens
2016	StarWars ? - Rogue One	This slots in just before "A New Hope" and explains why the first Death Star was so easy to blow up
2017	StarWars 8 - The Last Jedi
2018	StarWars ? - Solo
2019	StarWars 9 - The Rise of Skywalker	This will be the last ?

Here is the correct sequence to watch StarWars in :-

1. The Phantom Menace
2. The Clone Wars
3. Revenge of the Sith
4. Solo
5. Rogue One
6. A New Hope
7. The Empire Strikes Back
8. Return of the Jedi
9. The Force Awakens
10. The Last Jedi
11. The Rise of Skywalker