The Washington Naval Treaty was signed by signatories on the 6th of February 1922. This agreement established specific quantitative restrictions on naval vessels including battleships and battlecruisers.
Who opened the Washington Naval Conference in November 1921?
US Secretary of State Charles Evans Hughes opened the Washington Naval Conference on the 21st of November 1921 with a bold declaration to disarm. He proposed a ten-year pause on capital ship construction and demanded scrapping of ships to establish tonnage ratios between major powers.
How many capital ships did Japan receive under the Washington Naval Treaty limits?
Japan received three hundred fifteen thousand tons of capital ships under the Washington Naval Treaty limits. The treaty required Japan to scrap seventeen existing or planned capital ships while maintaining this specific tonnage allowance compared to Britain and the United States.
When did the Japanese government give formal notice intending to terminate the Washington Naval Treaty?
The Japanese government gave formal notice intending to terminate the agreement on the 29th of December 1934. Provisions remained in force until the end of 1936 and were not renewed after that date.
Which American agency deciphered Japanese communications during the Washington Naval Conference negotiations?
American cryptographic interception significantly influenced final terms through the Black Chamber or Cypher Bureau commanded by Herbert Yardley. This unit spied on delegations communications with their home capitals allowing negotiators to extract the absolute minimum possible deal from Tokyo.