Although the Treaty had been signed in June the previous year, the terms weren’t activated until 10 January which meant that the League of Nations was officially founded as the Covenant of the League was now in operation.
United States President Woodrow Wilson suffered a stroke that left him paralyzed on his left-hand side.
At the time it was optimistically hoped that the signing of the Kellogg-Briand Pact would stop any future wars, but the impact of the Great Depression in the 1930s led nations such as Japan and Italy to launch invasions of Manchuria and Abyssinia respectively.
The Treaty of Rapallo meant the two countries ended all territorial and financial arguments stemming from the previous Treaty of Brest-Litovsk and agreed to ‘co-operate in a spirit of mutual goodwill in meeting the economic needs of both countries’.
Over 150 soldiers from both sides died in a two-day skirmish that began on 5 December, and whose origins continue to be unclear.
When Abyssinia was finally captured on 5 May, all the sanctions were dropped.
On the 27th August 1928, Germany, France and the United States signed the General Treaty for Renunciation of War as an Instrument of National Policy – otherwise known as the Kellogg-Briand Pact.
On the 10th January 1920, the Treaty of Versailles came into effect.
On the 5th December 1934, the Wal-Wal Incident took place which laid the foundations for the Abyssinia Crisis.
On the 18th September 1931, the Manchurian Crisis – also known as the Mukden Incident –began when Japanese soldiers blew up a section of their own railway in the Chinese region of Manchuria.