Country Period

Somaliland

Republic of Somaliland

South Africa

Republic of South Africa

South Georgia and South Sandwich Islands

South Georgia and South Sandwich Islands

South Sudan

Republic of South Sudan

Spain

Kingdom of Spain

Sri Lanka

Democratic Socialist Republic of Sri Lanka

Sudan

Republic of the Sudan

Suriname

Republic of Suriname

Swaziland

Kingdom of Swaziland

Sweden

Kingdom of Sweden

Switzerland

Swiss Confederation

Syria

Syrian Arab Republic

Taiwan

Tajikistan

Republic of Tajikistan

Tanzania

United Republic of Tanzania

Thailand

Kingdom of Thailand

The Gambia

Republic of the Gambia

Timor-Leste

Democratic Republic of Timor-Leste

Togo

Togolese Republic

Tonga

Kingdom of Tonga