april 1966

april 1966: 17 companies

1. april 1966 3 companies

2. april 1966 2 companies

4. april 1966 1 companies

5. april 1966 1 companies

12. april 1966 1 companies

15. april 1966 2 companies

19. april 1966 1 companies

21. april 1966 2 companies

25. april 1966 2 companies

27. april 1966 1 companies

29. april 1966 1 companies