| year |
first day |
country |
scott # |
agency |
conference |
conference dates |
conference city |
| 1970 | 21-jan | india | 508 | itu | 11th plenary assembly, ccir | 21 jan-11 feb 1970 | new delhi |
 |
| 1970 | 6-apr | finland | 493 | unesco | symposium on "lenin and the development of science, culture and education" | 6-10 apr 1970 | tampere |
 |
| 1970 | 15-jul | finland | 494 | iaea | nuclear data conference | 15-19 jun 1970 | helsinki |
 |
| 1970 | 17-aug | japan | 1040 | un | 4th un congress on the prevention of crime and treatment of offenders | 17-26 aug 1970 | kyoto |
 |
| 1970 | 12-sep | pakistan | 296 | fao | 10th fao regional conference for the near east | 12-22 sep 1972 | islamabad |
 |
| 1970 | 21-sep | hungary | 2035 | fao | 7th fao regional conference for europe | 21-26 sep 1970 | budapest |
 |
| 1970 | 23-nov | philippines | 1078 | upu | upu-aopu regional seminar | 23 nov-5 dec 1970 | manila |
 |
| 1971 | 11-feb | chile | 400,c310 | unicef | unicef executive committee | 20-31 may 1969 | santiago |
 |
| 1971 | 11-mar | switzerland | 529 | itu | world administrative conference on space telecommunications | 7 jun-17 jul 1971 | geneva |
 |
| 1971 | 26-jun | afghanistan | 846-7 | unesco | international kouchani seminar | | kabul |
 |
| 1971 | 4-dec | iran | 1635 | ilo | 7th ilo asian regional conference | 4-15 dec 1971 | teheran |
 |
| 1972 | 28-jan | ethiopia | 609-612 | un | security council session | 28 jan-4 feb 1972 | addis ababa |
 |
 |
| 1972 | 13-apr | chile | 418-421 | unctad | 3rd unctad | 13 apr-19 may 1972 | santiago |
 |
| 1972 | 5-jun | sweden | 933-935 | un | un conference on human environment | 5-12 jun 1972 | stockholm |
 |
 |
| 1972 | 9-sep | kuwait | 557-559 | fao | 11th fao regional conference for the near east | 9-19 sep 1972 | kuwait |
 |
| 1972 | 14-sep | denmark | 508 | who | 22nd meeting, who regional committee for europe | 18-22 sep 1972 | copenhagen |
 |
| 1972 | 3-oct | mexico | c406 | iaea | 16th iaea conference | 26 sep-3 oct 1972 | mexico city |
 |
| 1972 | 14-oct | argentina | 978 | fao | 7th world forestry congress | 4-18 oct 1972 | buenos aires |
 |
| 1972 | 24-oct | egypt | 925 | who | 14th regional tuberculosis conference | | cairo |
 |
| 1972 | 1-nov | ethiopia | 637-639 | un | security council session | 28 jan-4 feb 1972 | addis ababa |
 |
 |
| 1973 | 16-mar | panama | 541-543, c402 | un | security council session | 15-21 mar 1973 | panama city |
 |
 |
| 1973 | 15-may | philippines | 1191-1194 | unesco | 1st third world theater festival | 19-30 nov 1971 | manila |
 |
 |
| 1973 | 14-sep | spain | 1772 | itu | itu plenipotentiary conference | 14 sep-26 oct 1973 | torremolinos |
 |
| 1973 | 24-sep | kenya, tanzania & uganda | 267-270, 270a | world bank imf | 28th world bank imf annual meetings | 24-28 sep 1973 | nairobi |
 |
 |
 |
| 1974 | 28-mar | switzerland | 589-590 | upu | 17th universal postal congress | 22 may-4 jul 1974 | lausanne |
 |
| 1974 | 15-jun | bulgaria | 2192 | unesco | 94th unesco executive board session | 27-28 jun 1974 | varna |
 |
| 1974 | 20-jun | venezuela | 1062-1065 | un | 3rd un conference on the law of the sea | 20 jun-29 aug 1974 | caracas |
 |
| 1974 | 25-jun | romania | 2502, stamped envelope | un | world population conference | 19-30 aug 1974 | bucharest |
 |
 |
| 1974 | | ecuador | ss | itu | seminar on rural telecommunications | | quito |
 |
| 1974 | 23-oct | mauritius | 408 | fao | 8th fao regional conference for africa | 1-17 aug 1974 | rose hill |
 |
| 1975 | 12-mar | peru | c419 | unido | 2nd unido general conference | 12-26 mar 1975 | lima |
 |
| 1975 | 12-may | spain | 1887 | unwto | 1st general assembly, world tourism organization | may 1975 | madrid |
 |
| 1975 | 19-jun | mexico | c465 | un | international conference for international women's year | 19 jun-2 jul 1975 | mexico city |
 |
| 1975 | 24-oct | egypt | 993 | who | international conference on schistomiasis | 18-25 oct 1975 | cairo |
 |
| 1976 | 6-jan | senegal | 418 | un | international conference on human rights and namibia | 5-8 jan 1976 | dakar |
 |
| 1976 | 12-may | canada | 690 | un | un conference on human settlements | 31 may-11 jun 1976 | vancouver |
 |
| 1976 | 21-sep | brazil | 1475 | iaea | 20th iaea general conference | 21-27 sep 1976 | rio de janeiro |
 |
| 1976 | 4-oct | philippines | 1301-1302 | world bank imf | 31st world bank imf annual meetings | 4-8 oct 1976 | manila |
 |
| 1977 | 19-mar | argentina | 1142 | un | un water conference | 14-25 mar 1977 | mar del plata |
 |
| 1977 | 28-sep | czechoslovakia | 2135 | unesco | congress of international music council | | prague & bratislava |
 |
| 1977 | 29-nov | monaco | 1089 | unep | un mediterranean environmental protection group | 29 nov-6 dec 1977 | monte carlo |
 |
| 1978 | 6-mar | germany | postal card | un | un conference on the carriage of goods by sea | 6-31 mar 1978 | hamburg |
 |
| 1978 | 2-sep | argentina | 1194 | un | un conference on technical cooperation among developing countries | 30 aug-12 sep 1978 | buenos aires |
 |
| 1978 | 6-sep | russia | stamped envelope | who/ unicef | international conference on primary health care | 6-12 sep 1978 | alma-ata |
 |
| 1978 | 16-oct | indonesia | 1029-1030 | fao | 8th world forestry congress | 16-28 oct 1978 | djakarta |
 |
| 1978 | 21-oct | brazil | 1582-1587 | upu | 18th universal postal congress | 12 sep-26 oct 1979 | rio de janeiro |
 |
| 1979 | 20-mar | brazil | 1602-1607 | upu | 18th universal postal congress | 12 sep-26 oct 1979 | rio de janeiro |
 |
| 1979 | 18-apr | netherlands antilles | 437-439, 439a | who | 12th inter-american meeting at the ministerial level on foot and mouth disease and zoonosis control | 17-20 apr 1979 | curacao |
 |
 |
| 1979 | 3-may | philippines | 1401-1402 | unctad | 5th unctad | 7 may-1 jun 1979 | manila |
 |
| 1979 | 5-jun | brazil | 1613-1615 | upu | 18th universal postal congress | 12 sep-26 oct 1979 | rio de janeiro |
 |
| 1979 | 20-aug | austria | 1128 | un | un conference on science and technology for development | 20-31 aug 1979 | vienna |
 |
| 1979 | 12-sep | brazil | 1627-1631 | upu | 18th universal postal congress | 12 sep-26 oct 1979 | rio de janeiro |
 |
 |
 |
| 1979 | 1-oct | yugoslavia | 1441-1442 | world bank imf | 34th world bank imf annual meetings | 2-5 oct 1979 | belgrade |
 |
| 1979 | 28-aug | sri lanka | 560 | unfpa | international conference of parlimentarians on population and development | 28 aug-1 sep 1979 | colombo |
 |
| 1979 | 4-dec | india | 833 | iaea | 23rd iaea general conference | 4-10 dec 1979 | new delhi |
 |
| 1979 | 11-dec | bolivia | 648 | ecla | 18th session, economic commission for latin america | 18-26 apr 1979 | la paz |
 |
