19 December 1904: The Dogali dates back to the Amazon River

Monday - Salpa from S. Maria di Belem (Brazil) the Dogali ram torpedo to the command of the frigate captain Gregorio Ronca to go up the Amazon River from the mouth up to Santa Fè in Peru that will reach the 29 1905 January with intermediate stops to Santarèm, Obidos, Manaus, capital of the Brazilian state of Amazonia and Iquitos (Peru) performing in 34 days a difficult navigation of 8500 km round trip in an almost unknown river: first among the military ships of the world to make a business no longer attempted by another ship of a similar size.