◆ On this day

September 15

2 sourced moments from September 15 in history: Darwin's Beagle reached the Galapagos Islands (1835); and Tanks first fought on 15 Sept 1916 — only 18 of 49 made it.

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2 things happened on September 15

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1916 History · War & Conflict

Tanks first fought on 15 Sept 1916 — only 18 of 49 made it

Britain's Mark I tanks debuted at Flers-Courcelette on 15 September 1916. Of 49 earmarked, just 18 actually went into action.

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1835 Nature & Animals · Evolution

Darwin's Beagle reached the Galapagos Islands

A volcanic archipelago of finches and tortoises planted the seed of evolution by natural selection.

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