The Battle of River Plate — The first naval battle of WWII

New Zealand Defence Force
3 min readDec 12, 2019

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Kreigsmarine heavy cruiser Admiral Graf Spee

Following the declaration of war, Graf Spee had been attacking merchant shipping in the Indian Ocean and off the coast of South Africa but the search for her had stepped up considerably when it was learned she was heading towards South America and, possibly, the River Plate estuary — the most congested part of the South Atlantic shipping routes where she could inflict the greatest losses.

HMS Achilles

Achilles (later to be commissioned HMNZS Achilles) had a total complement of 567 crew, of which, five officers and 316 ratings were New Zealanders.

At 0530 on December 13, smoke was sighted on the horizon and the Graf Spee was positively identified. A fierce battle ensued.

Although not seriously damaged, Graf Spee’s inferior speed meant that she could not escape. Later that day she sailed into the neutral port of Montevideo. International treaties restricted the number of days belligerent warships could stay in neutral ports. At the same time, the British Admiralty were feeding false information to the German’s about a naval force waiting off the coast to finish the Graf Spee off.

Langsdorff had used two thirds of his 11 inch shells in the battle and now only had enough left for 20 minutes of firing. Four days after the battle, Captain Hans Langsdorff lsailed Graf Spee out of the harbour where she was scuttled by her crew, who were then interned in Argentina. Langsdorff’s reasoning is not known, but one of his crew quotes him as saying “To me a thousand young men alive are worth more than a thousand dead heroes”.

Admiral Graf Spee scuttled and on fire in Montevideo Harbour

Following the scuttling Captain Langsdorff laid down on the Graf Spee’s battle ensign in his hotel room in Buenos Aries and shot himself.

Shrapnel damage to Achilles control tower

During the battle, 61 sailors lost their lives on Exeter, seven on Ajax and four on Achilles. The deaths on Achilles were caused by shrapnel when an 11-inch shell fired from Graf Spee fell short and exploded on hitting the water. The four dead were buried at sea at 1000 the following day. In a tragic postscript, two of the bodies were washed ashore and subsequently re-interred at the Buceo British Cemetery in Montevideo.

The inscription on the reverse of this photo taken from Achilles says — “Last Look at Graf Spee before returning to New Zealand.”

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New Zealand Defence Force
New Zealand Defence Force

Written by New Zealand Defence Force

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