Greece 🇬🇷 1981 Anniversaries & Events F.D.C.

Date of stamp 1981 May 22th

2Dr –> Neurological Conference

6Dr –> Monestary at Thessaly & Konitsa bridge, Epirus

9Dr –> The Eye Specialist Society

12Dr –> The 1st Oil Production

21Dr –> International Co-operation

40Dr –> The 15th international cardiovascular surgery conference