Companies registered by day in May 1966
- Monday 2 May - 13 companies registered
- Tuesday 3 May - 8 companies registered
- Wednesday 4 May - 9 companies registered
- Thursday 5 May - 15 companies registered
- Friday 6 May - 7 companies registered
- Monday 9 May - 16 companies registered
- Tuesday 10 May - 14 companies registered
- Wednesday 11 May - 11 companies registered
- Thursday 12 May - 10 companies registered
- Friday 13 May - 11 companies registered
- Monday 16 May - 9 companies registered
- Tuesday 17 May - 17 companies registered
- Wednesday 18 May - 7 companies registered
- Thursday 19 May - 8 companies registered
- Friday 20 May - 13 companies registered
- Monday 23 May - 7 companies registered
- Tuesday 24 May - 7 companies registered
- Wednesday 25 May - 13 companies registered
- Thursday 26 May - 8 companies registered
- Friday 27 May - 14 companies registered
- Tuesday 31 May - 13 companies registered