Japan issues an ultimatum over its demands on China

Japan presented China with demands that would expand Japanese control over German rights in Shandong and privileges in Manchuria and elsewhere. China negotiated under pressure and rejected the most...

Led by Baptist minister John Chilembwe, insurgents attacked the A.L. Bruce plantation in Nyasaland. The uprising grew from grievances over forced labor, racial discrimination, land, and wartime...

The Indian Corps played a major role in the British attack on Neuve Chapelle, one of the first large offensives on the Western Front. Indian soldiers fought in conditions for which the colonial army...

Ottoman authorities arrested hundreds of Armenian intellectuals and community leaders in Constantinople, marking the opening phase of the Armenian genocide. Deportations and mass killing targeted...

British, French, Australian, and New Zealand forces landed on the Gallipoli peninsula in an attempt to force the Dardanelles. Ottoman defenders repelled the campaign after months of fighting. The...

Britain, France, and Russia issued a joint statement describing the Ottoman violence against Armenians as crimes against humanity and civilization. The phrase entered international discourse, but...

German forces surrendered after South African troops occupied the colony during a campaign aimed partly at denying Germany ports and wireless stations. The territory was later placed under South...

Socialists from across Europe met at Zimmerwald to oppose the war and call for peace. The manifesto linked the conflict to imperial competition and condemned the burden placed on workers and oppressed...

Ottoman troops surrounded the British-Indian force at Kut in Mesopotamia after its retreat from Ctesiphon. The siege exposed the cost of an imperial campaign supplied and fought largely by Indian...

The Allies completed the evacuation of Gallipoli after the failed attempt to seize the Dardanelles. Ottoman defenders had repelled a campaign involving British, French, Australian, and New Zealand...