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1936
Member States of the OIT recognize mandatory social insurance as the most effective means for providing social security.
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1939
The principles signed in 1936 are ratified and extended in Havana, Cuba.
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1940
In Peru, an Inter-American Committee on Social Security Initiatives is instructed.
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1942
The CISS is constituted as a permanent cooperation entity.
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1952
It is decided that the headquarters of the CISS be located in Mexico.
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1963
Inauguration of the facilities in Mexico.
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1981
Subscription of the first location Agreement between the CISS and Mexico.
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1988
The CISS becomes an international organization of a permanent nature.
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2004
The CISS subscribes the Declaration of Santo Domingo.
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2019
A new management starts and the CISS focuses its work on research, cooperation for welfare and the promotion of public policies.
