In the Brussels Conference Act of 1890, the signatories "declared that they were equally animated by the firm intention of putting an end to the traffic in African slaves".
It was supplemented and revised by the Convention of Saint-Germain-en-Laye, signed by the Allied Powers of the First World War on 10 September 1919,[3] in which the signatories undertook to "endeavour to secure the complete suppression of slavery in all its forms and of the slave trade by land and sea" (Article 11).
Slavery was defined in Article 1 as the status or condition of a person over whom any or all of the powers attaching to the right of ownership are exercisedThe slave trade was defined as including all acts involved in the capture, acquisition or disposal of a person with intent to reduce him to slavery; all acts involved in the acquisition of a slave with a view to selling or exchanging him; all acts of disposal by sale or exchange of a slave acquired with a view to being sold or exchanged, and, in general, every act of trade or transport in slaves.Article 2 The parties agreed to prevent and suppress the slave trade and to progressively bring about the complete elimination of slavery in all its forms.
The parties undertook to promulgate severe penalties for slave trading, slaveholding, and enslavement.As of 2013, there are 99 countries that have signed, acceded to, ratified, succeeded to, or otherwise committed to participation in the conventions as amended, and its subsequent protocol.
The countries and the year of their first commitment to participation are as follows: Afghanistan (1954), Albania (1957), Algeria (1963), Australia (1953), Austria (1954), Azerbaijan (1996), Bahamas (1976), Bahrain (1990), Bangladesh (1985), Barbados (1976), Belarus (1956, as the Byelorussian SSR), Belgium (1962), Bolivia (1983), Bosnia and Herzegovina (1993), Brazil (1966), Cameroon (1984), Canada (1953), Chile (1995), China (1955), Croatia (1992), Cuba (1954), Cyprus (1986), Denmark (1954), Dominica (1994), Ecuador (1955), Egypt (1954), Ethiopia (1969), Fiji (1972), Finland (1954), France (1963), Germany (1973), Greece (1955), Guatemala (1983), Guinea (1963), Hungary (1958), India (1954), Iraq (1955), Ireland (1961), Israel (1955), Italy (1954), Jamaica (1964), Jordan (1959), Kazakhstan (2008), Kuwait (1963), Kyrgyzstan (1997), Lesotho (1974), Liberia (1953), Libya (1957), Madagascar (1964), Malawi (1965), Mali (1973), Malta (1966), Mauritania (1986), Mauritius (1969), Mexico (1954), Monaco (1954), Mongolia (1968), Montenegro (2006), Morocco (1959), Myanmar (1957), Nepal (1963), Netherlands (1955), New Zealand (1953), Nicaragua (1986), Niger (1964), Nigeria (1961), Norway (1957), Pakistan (1955), Paraguay (2007), Papua New Guinea (1982), Philippines (1955), Romania (1957), Russia (1956) (as the Soviet Union), St Lucia (1990), St Vincent and the Grenadines (1981), Saudi Arabia (1973), Serbia (2001, as Serbia and Montenegro), Sierra Leone (1962), Solomon Islands (1981), South Africa (1953), Spain (1927), Sri Lanka (1958), Sudan (1957), Sweden (1954), Switzerland (1953), Syria (1954), Tanzania (1962), Trinidad and Tobago (1966), Tunisia (1966), Turkey (1955), Turkmenistan (1997), Uganda (1964), Ukraine (1959, as the Ukrainian SSR), United Kingdom (1953), United States (1956), Uruguay (2001), Viet Nam (1956), Yemen (1987), Zambia (1973) The convention was amended by the protocol entering into force on 7 July 1955.