First International Opium Convention

1912 Opium Convention
Hague Opium Convention
International Opium Convention signed at The Hague, January 23rd, 1912, and Protocols of cloture signed at The Hague on January 23rd, 1912; July 9th, 1913; and June 25th, 1914.
Signed23 January 1912
LocationThe Hague
Effective28 June 1919
Expiration13 December 1964

The First International Opium Convention (also called 1912 Opium Convention or Hague Opium Convention) is a former international treaty signed at The Hague in 1912. The conference were an international effort by states to regulate the trade of opium and suppress illicit opium consumption. It was followed in 1925 by the Second International Opium Convention signed in Geneva.