text: Antigua and Barbuda 19 July 1985 17 October 1985 Argentina 23 July 1971 21 October 1971 Australia 22 June 1970 20 September 1970 Austria 7 February 1974 8 May 1974 Bahamas 10 July 1973(1) Bahrain 9 February 1984 9 May 1984(2) (3) Bangladesh 25 July 1978 23 October 1978 Barbados 25 June 1969 4 April 1972 3 July 1972 Belgium 20 December 1968 6 August 1970 4 November 1970 Bolivia 5 July 1979 3 October 1979 Botswana 16 January 1979 16 April 1979 Brazil 28 February 1969 14 January 1970 14 April 1970 Burkina Fa so 14 September 1963 6 June 1969 4 December 1969 Burundi 14 July 1971 12 October 1971 Canada 4 November 1964 7 November 1969 5 February 1970 Chad 30 June 1970 28 September 1970 Chile 24 January 1974 24 April 1974 China 14 November 1978 12 February 1979(2) (4) Colombia 8 November 1968 6 July 1973 4 October 1973 Congo 14 September 1963 13 November 1978 11 February 1979 Costa Rica 24 October 1972 22 January 1973 Cyprus 31 May 1972 29 August 1972 Czechoslovakia 23 February 1984 23 May 1984(2) Democratic People's Republic of Korea 9 May 1983 7 August 1983 ( 2) Denmark 21 November 1966 17 January 1967 4 December 1969 Dominican Republic 3 December 1970 3 March 1971 £1 The information concerning these conventions is reproduced below as furnished on 8 August 1985 by the Secretariat of the International Civil Aviation Organization, which indicated that the lists of signatures, ratifications or accessions concerning the Hague Convention of 1970 and the Montreal Convention of 1971 were based on information received from depository States. I ... A/40/445 English Page 44 States Ecuador Egypt El Salvador Ethiopia Fiji Finland France Gabon Gambia Germany, Federal Republic of Ghana Greece Grenada Guatemala Guyana Haiti Holy See Hungary 
analysis: This text appears to be a list of countries and their respective dates of signature, ratification, or accession to the Hague Convention of 1970 and the Montreal Convention of 1971. Given the context, it is likely that the conventions are related to international aviation, which is a key aspect of transport and communication.