South America, 15 Aug 1914: Opening of the Panama Canal
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8 Sep 1909Peru accepts Brazilian
claim to Acre

17 Sep 1909Peru-Bolivia
border agreement

Dec 1909–Aug 1910US intervention
in Nicaragua

Nov 1910Outbreak of
Mexican Revolution

Nov 1910Mutineers seize
Brazil’s dreadnoughts

Mar 1911US protectorate
over Honduras

Jul 1911Peru and Colombia fight
border war in Amazon

1912Demand for Amazon
rubber collapses

Aug–Dec 1912US occupation
of Nicaragua

Oct 1912–Aug 1916Contestado War
in southern Brazil

Jul 1914Outbreak of World War I

? Aug–14 Sep 1914Germans maintain
naval base off Trindade