Kammala jumlar da ke gaba: A cikin 1867 a lokacin Yakin Paraguay wasu jiragen ruwa masu ƙarfe na sojan ruwan Brazil sun makale a Kogin Paraguay tsakanin makiyan Paraguay na Curupaty da Humaitá. Don ci gaba da samar musu da man fetur, bindigogi da kayan abinci ma'aikatar ruwan Brazil ta ba da umarnin a gina hanyar jirgin kasa ta gaggawa ta hanyar yankin Chaco mai bakin teku. Masu barci na wannan layi kusan suna shawagi a kan ƙasa mai laka. Wannan layin samarwa an san shi da "Affonso Celso", kuma ya ci gaba da ironclads a cikin matsayinsu na rashin tabbas na tsawon watanni shida, har sai sun sami damar wucewa ta Fortress of Humaitá a cikin wani abin da aka sani da "Affonso Celso".
Hanyar Humaitá.