Aden Colony |
Extension
|
24 February 1938 |
|
Aden Protectorate |
Extension
|
14 September 1938 |
|
AFGHANISTAN |
Accession
|
20 February 1969 |
21 May 1969 |
Akrotiri & Dhekelia |
Extension
|
3 December 1934 |
3 March 1935 |
ALGERIA |
Succession
|
2 June 1964 |
31 August 1964 |
ANGOLA |
Adherence
|
10 March 1998 |
8 June 1998 |
Antigua |
Extension
|
3 December 1934 |
3 March 1935 |
Antilles |
Extension
|
27 December 1985 |
1 January 1986 |
ARGENTINA |
Accession
|
21 March 1952 |
19 June 1952 |
ARMENIA |
Accession
|
25 November 1998 |
23 February 1999 |
Aruba |
Extension
|
27 December 1985 |
1 January 1986 |
AUSTRALIA |
Signature
|
12 October 1929 |
|
AUSTRALIA |
Ratification
|
1 August 1935 |
30 October 1935 |
AUSTRALIA |
Declaration
|
1 August 1935 |
|
AUSTRALIA |
Declaration
|
1 September 1955 |
|
AUSTRIA |
Signature
|
12 October 1929 |
|
AUSTRIA |
Ratification
|
28 September 1961 |
27 December 1961 |
BAHAMAS |
Extension
|
3 December 1934 |
3 March 1935 |
BAHAMAS |
Succession
|
15 May 1975 |
|
Bahrain |
Accession
|
12 March 1998 |
10 June 1998 |
BANGLADESH |
Succession
|
13 February 1979 |
1 March 1979 |
BARBADOS |
Extension
|
3 December 1934 |
3 March 1935 |
BARBADOS |
Succession
|
8 January 1970 |
1 March 1970 |
Basutoland |
Extension
|
2 September 1952 |
|
Bechuanaland |
Extension
|
2 September 1952 |
|
Belgian Congo |
Extension
|
13 July 1936 |
11 October 1936 |
BELGIUM |
Signature
|
31 January 1930 |
|
BELGIUM |
Ratification
|
13 July 1936 |
11 October 1936 |
BELGIUM |
Declaration
|
13 July 1936 |
|
BELGIUM |
Declaration
|
25 June 1953 |
|
BELGIUM |
Reservation
|
1 September 1955 |
|
BENIN |
Succession
|
9 January 1962 |
|
Bermuda |
Extension
|
3 December 1934 |
3 March 1935 |
BOLIVIA |
Accession
|
29 December 1998 |
29 March 1999 |
BOSNIA AND HERZEGOVINA |
Succession
|
3 March 1995 |
|
BOTSWANA |
Succession
|
31 January 1977 |
|
BRAZIL |
Signature
|
12 October 1929 |
|
BRAZIL |
Ratification
|
2 May 1931 |
13 February 1933 |
BRAZIL |
Declaration
|
20 February 1952 |
|
BRAZIL |
Reservation
|
1 September 1955 |
|
British Antarctic Territory |
Extension
|
3 December 1934 |
3 March 1935 |
British Guiana |
Extension
|
3 December 1934 |
3 March 1935 |
British Honduras |
Extension
|
3 December 1934 |
3 March 1935 |
British Solomon Islands |
Extension
|
3 December 1934 |
3 March 1935 |
British Virgin Islands |
Extension
|
3 December 1934 |
3 March 1935 |
Brunei |
Extension
|
3 December 1934 |
3 March 1935 |
BRUNEI DARUSSALAM |
Succession
|
28 February 1984 |
|
BULGARIA |
Accession
|
25 June 1949 |
23 September 1949 |
BURKINA FASO |
Succession
|
9 December 1961 |
9 March 1962 |
BURMA |
Extension
|
24 February 1938 |
|
BYELORUSSIA S S R |
Accession
|
26 September 1959 |
25 December 1959 |
CAMBODIA |
Extension
|
15 November 1932 |
|
CAMBODIA |
Succession
|
12 December 1996 |
12 March 1997 |
CAMEROON |
Succession
|
21 August 1961 |
2 September 1961 |
Cameroons |
Extension
|
3 December 1934 |
3 March 1935 |
CANADA |
Accession
|
10 June 1947 |
8 September 1947 |
CANADA |
Reservation
|
10 June 1947 |
|
CANADA |
Declaration
|
9 October 1952 |
|
CANADA |
Reservation
|
1 September 1955 |
|
Cayman Islands |
Extension
|
3 December 1934 |
3 March 1935 |
CEYLON |
Extension
|
3 December 1934 |
3 March 1935 |
CHAD |
Succession
|
1 January 1905 |
|
Channel Islands |
Extension
|
14 February 1933 |
15 May 1933 |
CHILE |
Accession
|
2 March 1979 |
31 May 1979 |
CHILE |
Reservation
|
2 March 1979 |
|
CHINA |
Accession
|
20 July 1958 |
18 October 1958 |
CHINA |
Declaration
|
20 July 1958 |
|
COLOMBIA |
Accession
|
15 August 1966 |
13 November 1966 |
COMOROS |
Succession
|
11 June 1991 |
9 September 1991 |
CONGO, PEOPLES REPUBLIC OF |
Succession
|
5 January 1962 |
|
CONGO, PEOPLES REPUBLIC OF |
Reservation
|
19 January 1962 |
|
COSTA RICA |
Accession
|
10 May 1984 |
8 August 1984 |
COTE D'IVOIRE |
Succession
|
7 February 1962 |
|
CROATIA |
Succession
|
8 July 1993 |
8 October 1991 |
CUBA |
Accession
|
21 July 1964 |
19 October 1964 |
CUBA |
Reservation
|
21 July 1964 |
|
CYPRUS |
Extension
|
3 December 1934 |
3 March 1935 |
CYPRUS |
Succession
|
23 April 1963 |
|
CZECH REPUBLIC |
Succession
|
29 November 1994 |
|
CZECHOSLOVAKIA |
Signature
|
31 January 1930 |
|
CZECHOSLOVAKIA |
Ratification
|
17 November 1934 |
1 October 1937 |
DANZIG |
Accession
|
18 March 1935 |
|
DENMARK |
Signature
|
12 October 1929 |
|
DENMARK |
Ratification
|
3 July 1937 |
1 October 1937 |
DENMARK |
Declaration
|
3 July 1937 |
|
DENMARK |
Declaration
|
9 April 1951 |
|
DENMARK |
Reservation
|
1 September 1955 |
|
Dominica |
Extension
|
3 December 1934 |
3 March 1935 |
DOMINICAN REPUBLIC |
Accession
|
25 February 1972 |
25 May 1972 |
ECUADOR |
Accession
|
1 December 1969 |
1 March 1970 |
EGYPT |
Accession
|
6 September 1955 |
5 December 1955 |
EGYPT |
Declaration
|
2 March 1959 |
|
ESTONIA |
Accession
|
16 March 1998 |
14 June 1998 |
ETHIOPIA |
Accession
|
14 August 1950 |
12 November 1950 |
ETHIOPIA |
Reservation
|
14 August 1950 |
|
Falkland Island Dependencies |
Extension
|
3 December 1934 |
3 March 1935 |
Fiji |
Extension
|
3 December 1934 |
3 March 1935 |
Fiji |
Succession
|
15 March 1972 |
|
FINLAND |
Accession
|
3 July 1937 |
1 October 1937 |
FRANCE |
Signature
|
12 October 1929 |
|
FRANCE |
Ratification
|
15 November 1932 |
13 February 1933 |
FRANCE |
Declaration
|
15 November 1932 |
|
FRANCE |
Declaration
|
17 April 1951 |
|
FRANCE |
Reservation
|
1 September 1955 |
|
French Cameroons |
Extension
|
15 November 1932 |
13 February 1933 |
French Togoland |
Extension
|
15 November 1932 |
13 February 1933 |
French UnionTerritories |
Extension
|
15 November 1932 |
|
GABON |
Accession
|
15 February 1969 |
16 May 1969 |
GERMAN DEMOCRATIC REPUBLIC |
Re-Application
|
1 September 1955 |
|
GERMANY |
Signature
|
12 October 1929 |
|
GERMANY |
Ratification
|
30 September 1933 |
29 December 1933 |
GERMANY FEDERAL REPUBLIC |
Re-Application
|
9 June 1951 |
|
GHANA |
Accession
|
11 August 1997 |
9 November 1997 |
Gibraltar |
Extension
|
3 December 1934 |
3 March 1935 |
Gilbert And Ellice Islands |
Extension
|
3 December 1934 |
3 March 1935 |
Gold Coast |
Extension
|
3 December 1934 |
3 March 1935 |
GREECE |
Signature
|
29 January 1930 |
|
GREECE |
Ratification
|
11 January 1938 |
11 April 1938 |
GREECE |
Declaration
|
9 June 1951 |
|
GRENADA |
Extension
|
3 December 1934 |
3 March 1935 |
GUATEMALA |
Accession
|
3 February 1997 |
4 May 1997 |
GUINEA |
Accession
|
11 September 1961 |
10 December 1961 |
GUINEA, EQUATORIAL |
Accession
|
20 December 1988 |
19 March 1989 |
HONDURAS |
Accession
|
27 June 1994 |
25 September 1994 |
Hong Kong |
Extension
|
3 December 1934 |
3 March 1935 |
HUNGARY |
Accession
|
29 May 1936 |
27 August 1936 |
ICELAND |
Accession
|
21 August 1948 |
|
INDIA |
Extension
|
20 November 1934 |
|
INDIA |
Declaration
|
5 April 1951 |
|
INDIA |
Succession
|
29 January 1970 |
|
INDONESIA |
Declaration
|
16 June 1950 |
|
INDONESIA |
Succession
|
2 February 1952 |
|
IRAN |
Accession
|
8 July 1975 |
6 October 1975 |
IRAQ |
Accession
|
28 June 1972 |
26 September 1972 |
IRAQ |
Declaration
|
28 June 1972 |
|
IRELAND, REPUBLIC OF |
Accession
|
20 September 1935 |
19 December 1935 |
Irish Free State |
Extension
|
20 September 1935 |
|
Isle Of Man |
Extension
|
14 February 1933 |
15 May 1933 |
ISRAEL |
Accession
|
8 October 1949 |
6 January 1950 |
ITALY |
Signature
|
12 October 1929 |
|
ITALY |
Ratification
|
14 February 1933 |
15 May 1933 |
ITALY |
Reservation
|
1 September 1955 |
|
JAMAICA |
Extension
|
3 December 1934 |
3 March 1935 |
JAPAN |
Signature
|
12 October 1929 |
|
JAPAN |
Ratification
|
20 May 1953 |
18 August 1953 |
JORDAN |
Succession
|
8 December 1969 |
|
KENYA |
Extension
|
3 December 1934 |
3 March 1935 |
KENYA |
Succession
|
7 October 1964 |
12 December 1963 |
KENYA |
Declaration
|
28 August 1968 |
|
KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF |
Accession
|
1 March 1961 |
30 May 1961 |
KUWAIT |
Accession
|
11 August 1975 |
9 November 1975 |
LAO PEOPLE'S DEMOCRATIC REPUBLIC |
Succession
|
14 March 1956 |
19 July 1949 |
LATVIA |
Signature
|
31 January 1930 |
|
LATVIA |
Ratification
|
15 November 1932 |
13 February 1933 |
LEBANON |
Succession
|
10 February 1962 |
23 February 1962 |
Leeward Islands |
Extension
|
3 December 1934 |
3 March 1935 |
LESOTHO |
Succession
|
3 March 1975 |
|
LIBERIA |
Accession
|
2 May 1942 |
31 July 1942 |
LIBYA |
Accession
|
16 May 1969 |
14 August 1969 |
LIECHTENSTEIN |
Accession
|
9 May 1934 |
7 August 1934 |
LUXEMBOURG |
Signature
|
12 October 1929 |
|
LUXEMBOURG |
Ratification
|
7 October 1949 |
5 January 1950 |
LUXEMBOURG |
Reservation
|
1 September 1955 |
|
Macao |
Extension
|
20 December 1999 |
|
MACEDONIA THE FYR OF |
Succession
|
1 September 1994 |
|
MADAGASCAR |
Succession
|
17 August 1962 |
|
MALAWI |
Accession
|
27 October 1977 |
25 January 1978 |
Malay States, Federated |
Extension
|
4 July 1936 |
|
Malay States, Unfederated |
Extension
|
4 July 1936 |
|
MALAYSIA |
Succession
|
3 September 1970 |
16 September 1963 |
MALDIVES |
Accession
|
13 October 1995 |
11 January 1996 |
MALI |
Accession
|
26 January 1961 |
26 April 1961 |
MALTA |
Extension
|
3 December 1934 |
3 March 1935 |
MALTA |
Succession
|
19 February 1986 |
21 September 1964 |
MAURITANIA |
Succession
|
6 August 1962 |
4 November 1962 |
MAURITANIA |
Declaration
|
6 August 1962 |
|
MAURITIUS |
Extension
|
3 December 1934 |
3 March 1935 |
MAURITIUS |
Succession
|
17 October 1989 |
15 January 1990 |
MEXICO |
Accession
|
14 February 1933 |
15 May 1933 |
MOLDOVA REPUBLIC OF |
Accession
|
20 March 1997 |
19 June 1997 |
MONGOLIA |
Accession
|
30 April 1962 |
29 July 1962 |
Montserrat |
Extension
|
3 December 1934 |
3 March 1935 |
MOROCCO |
Extension
|
15 November 1932 |
13 February 1933 |
MOROCCO |
Accession
|
5 January 1958 |
5 April 1958 |
MYANMAR |
Succession
|
20 November 1951 |
2 January 1952 |
MYANMAR |
Declaration
|
20 November 1951 |
|
NAURU |
Extension
|
1 August 1935 |
30 October 1935 |
NAURU |
Succession
|
4 November 1970 |
|
NEPAL |
Accession
|
12 February 1966 |
13 May 1966 |
NETHERLANDS THE |
Signature
|
31 January 1930 |
|
NETHERLANDS THE |
Ratification
|
1 July 1933 |
|
NETHERLANDS THE |
Declaration
|
4 April 1951 |
|
NETHERLANDS THE |
Reservation
|
1 September 1955 |
|
NETHERLANDS THE |
Extension
|
27 December 1985 |
1 January 1986 |
New Guinea |
Extension
|
1 August 1935 |
30 October 1935 |
NEW ZEALAND |
Extension
|
6 April 1937 |
5 July 1937 |
NEW ZEALAND |
Succession
|
6 April 1937 |
5 July 1937 |
Newfoundland (UK) |
Extension
|
6 April 1939 |
|
NIGER |
Succession
|
20 February 1962 |
3 August 1960 |
NIGERIA |
Extension
|
3 December 1934 |
3 March 1935 |
NIGERIA |
Succession
|
9 October 1963 |
|
Norfolk Island |
Extension
|
1 August 1935 |
30 October 1935 |
North Borneo |
Extension
|
4 July 1936 |
|
Northern Rhodesia |
Extension
|
3 December 1934 |
3 March 1935 |
Northern Rhodesia |
Declaration
|
20 July 1955 |
|
NORWAY |
Signature
|
31 January 1930 |
|
NORWAY |
Ratification
|
3 July 1937 |
1 October 1937 |
NORWAY |
Reservation
|
1 September 1955 |
|
Nyasaland |
Extension
|
3 December 1934 |
3 March 1935 |
Nyasaland |
Declaration
|
20 July 1955 |
|
OMAN |
Accession
|
6 August 1976 |
4 November 1976 |
PAKISTAN |
Declaration
|
15 August 1947 |
|
PAKISTAN |
Declaration
|
9 November 1951 |
|
PAKISTAN |
Succession
|
26 December 1969 |
14 August 1947 |
Palestine |
Extension
|
3 December 1934 |
3 March 1935 |
PANAMA |
Accession
|
12 November 1996 |
10 January 1997 |
Papua |
Extension
|
1 August 1935 |
30 October 1935 |
PAPUA NEW GUINEA |
Succession
|
6 November 1975 |
|
PARAGUAY |
Accession
|
28 August 1969 |
26 November 1969 |
PERU |
Accession
|
5 July 1988 |
3 October 1988 |
PHILIPPINES |
Accession
|
9 November 1950 |
7 February 1951 |
PHILIPPINES |
Reservation
|
9 November 1950 |
|
POLAND |
Signature
|
12 October 1929 |
|
POLAND |
Ratification
|
15 November 1932 |
13 February 1933 |
PORTUGAL |
Accession
|
20 March 1947 |
18 June 1947 |
PORTUGAL |
Notification
|
23 September 1999 |
|
Qatar |
Accession
|
22 December 1986 |
22 March 1987 |
ROMANIA |
Signature
|
30 January 1930 |
|
ROMANIA |
Ratification
|
8 July 1931 |
13 February 1933 |
Ruanda Urundi |
Extension
|
13 July 1936 |
11 October 1936 |
RUSSIAN FEDERATION |
Succession
|
11 February 1992 |
|
RWANDA |
Succession
|
1 December 1964 |
1 July 1962 |
SAMOA |
Succession
|
16 October 1963 |
20 January 1964 |
Sarawak |
Extension
|
4 July 1936 |
|
SAUDI ARABIA |
Accession
|
27 January 1969 |
27 April 1969 |
SENEGAL |
Succession
|
19 June 1964 |
17 September 1964 |
SEYCHELLES |
Extension
|
3 December 1934 |
3 March 1935 |
SEYCHELLES |
Succession
|
24 June 1980 |
22 September 1980 |
SIERRA LEONE |
Extension
|
3 December 1934 |
3 March 1935 |
SIERRA LEONE |
Declaration
|
6 March 1968 |
|
SIERRA LEONE |
Succession
|
21 March 1968 |
27 April 1961 |
SINGAPORE |
Succession
|
4 September 1971 |
3 December 1971 |
SLOVAK REPUBLIC |
Succession
|
24 March 1995 |
3 February 1994 |
SLOVENIA |
Succession
|
7 August 1998 |
25 June 1991 |
SOLOMON ISLANDS |
Succession
|
7 July 1978 |
9 September 1981 |
Somaliland Protectorate |
Extension
|
3 December 1934 |
3 March 1935 |
SOUTH AFRICA |
Signature
|
12 October 1929 |
|
SOUTH AFRICA |
Ratification
|
22 December 1954 |
22 March 1955 |
SOUTH AFRICA |
Reservation
|
1 September 1955 |
|
Southern Rhodesia |
Extension
|
3 January 1935 |
|
Southern Rhodesia |
Declaration
|
20 July 1955 |
|
SOVIET UNION |
Signature
|
30 January 1930 |
|
SOVIET UNION |
Ratification
|
20 August 1934 |
18 November 1934 |
SOVIET UNION |
Declaration
|
19 March 1951 |
|
SPAIN |
Signature
|
31 January 1930 |
|
SPAIN |
Ratification
|
31 March 1930 |
13 December 1933 |
SPAIN |
Declaration
|
12 June 1951 |
|
SRI LANKA |
Succession
|
24 April 1951 |
4 February 1948 |
SRI LANKA |
Declaration
|
9 November 1951 |
|
St Christopher, Nevis and Anguilla |
Extension
|
3 December 1934 |
3 March 1935 |
St Helena And Dependencies |
Extension
|
3 December 1934 |
3 March 1935 |
ST LUCIA |
Extension
|
3 December 1934 |
3 March 1935 |
St Vincent |
Extension
|
3 December 1934 |
3 March 1935 |
Straits Settlements |
Extension
|
3 December 1934 |
3 March 1935 |
SUDAN |
Accession
|
11 February 1975 |
12 May 1975 |
SWAZILAND |
Extension
|
2 September 1952 |
|
SWEDEN |
Accession
|
3 July 1937 |
1 October 1937 |
SWEDEN |
Declaration
|
22 May 1951 |
|
SWITZERLAND |
Signature
|
12 October 1929 |
|
SWITZERLAND |
Ratification
|
9 May 1934 |
7 August 1934 |
SWITZERLAND |
Declaration
|
4 April 1951 |
|
SYRIA |
Succession
|
13 April 1964 |
2 March 1959 |
SYRIA |
Declaration
|
13 April 1964 |
|
TAJIKISTAN |
Succession
|
3 February 1994 |
4 May 1994 |
TANGANYIKA |
Extension
|
3 December 1934 |
3 March 1935 |
TANZANIA |
Succession
|
7 April 1965 |
|
The Gambia |
Extension
|
3 December 1934 |
3 March 1935 |
TOGO |
Accession
|
2 July 1980 |
30 September 1980 |
TONGA |
Extension
|
4 July 1936 |
|
TONGA |
Succession
|
31 January 1977 |
|
TRANSJORDAN |
Extension
|
17 December 1937 |
|
TRINIDAD AND TOBAGO |
Extension
|
3 December 1934 |
3 March 1935 |
TRINIDAD AND TOBAGO |
Succession
|
10 May 1983 |
31 August 1962 |
TUNISIA |
Extension
|
15 November 1932 |
13 February 1933 |
TUNISIA |
Succession
|
15 November 1963 |
13 February 1964 |
TURKEY |
Accession
|
25 March 1978 |
23 June 1978 |
TURKMENISTAN |
Succession
|
21 December 1994 |
20 March 1995 |
Turks And Caicos Islands |
Extension
|
3 December 1934 |
3 March 1935 |
UGANDA |
Extension
|
3 March 1934 |
3 March 1935 |
UGANDA |
Succession
|
24 July 1963 |
|
UKRAINE |
Accession
|
14 August 1959 |
12 November 1959 |
UNITED ARAB EMIRATES |
Accession
|
4 April 1986 |
3 July 1986 |
UNITED ARAB REPUBLIC |
Declaration
|
2 March 1959 |
|
UNITED KINGDOM |
Signature
|
12 October 1929 |
|
UNITED KINGDOM |
Ratification
|
14 February 1933 |
15 May 1933 |
UNITED KINGDOM |
Declaration
|
20 November 1934 |
|
UNITED KINGDOM |
Declaration
|
3 December 1934 |
|
UNITED KINGDOM |
Declaration
|
3 January 1935 |
|
UNITED KINGDOM |
Declaration
|
20 September 1935 |
|
UNITED KINGDOM |
Declaration
|
4 July 1936 |
|
UNITED KINGDOM |
Declaration
|
6 April 1937 |
|
UNITED KINGDOM |
Declaration
|
17 December 1937 |
|
UNITED KINGDOM |
Declaration
|
24 February 1938 |
|
UNITED KINGDOM |
Declaration
|
14 September 1938 |
|
UNITED KINGDOM |
Declaration
|
6 April 1939 |
|
UNITED KINGDOM |
Declaration
|
9 June 1951 |
|
UNITED KINGDOM |
Declaration
|
2 September 1952 |
|
UNITED KINGDOM |
Reservation
|
1 September 1955 |
|
UNITED KINGDOM |
Statement
|
17 June 1980 |
|
UNITED STATES OF AMERICA |
Accession
|
31 July 1934 |
29 October 1934 |
UNITED STATES OF AMERICA |
Reservation
|
31 July 1934 |
|
UNITED STATES OF AMERICA |
Declaration
|
31 July 1934 |
|
UNITED STATES OF AMERICA |
Declaration
|
20 February 1952 |
|
UNITED STATES OF AMERICA |
Reservation
|
1 September 1955 |
|
UNITED STATES OF AMERICA |
Denunciation
|
5 January 1966 |
15 May 1966 |
UNITED STATES OF AMERICA |
Declaration
|
14 May 1966 |
|
URUGUAY |
Accession
|
4 July 1979 |
2 October 1979 |
UZBEKISTAN |
Accession
|
27 February 1997 |
28 May 1997 |
VANUATU |
Accession
|
26 October 1981 |
24 January 1982 |
VENEZUELA |
Accession
|
15 June 1955 |
13 September 1955 |
VENEZUELA |
Reservation
|
15 June 1955 |
|
VIETNAM, REPUBLIC OF |
Succession
|
29 September 1958 |
|
VIETNAM, REPUBLIC OF |
Accession
|
11 October 1982 |
9 January 1983 |
VIETNAM, SOCIALIST REP OF |
Accession
|
11 October 1982 |
9 January 1983 |
YEMEN ARAB REPUBLIC |
Accession
|
6 May 1982 |
4 August 1982 |
YUGOSLAVIA |
Signature
|
12 October 1929 |
|
YUGOSLAVIA |
Ratification
|
27 May 1931 |
|
YUGOSLAVIA |
Declaration
|
4 April 1951 |
|
YUGOSLAVIA, FEDERAL REPUBLIC OF |
Succession
|
18 February 2001 |
27 April 1992 |
ZAIRE |
Succession
|
27 July 1962 |
|
ZAMBIA |
Succession
|
25 March 1970 |
|
Zanzibar |
Extension
|
3 December 1934 |
3 March 1935 |
ZIMBABWE |
Succession
|
27 October 1980 |
18 April 1980 |