15 February – President Milei orders an investigation regarding improper conduct after the cryptocurrency $LIBRA, which he publicly promoted the previous day, collapses.[4]
5 March – A blackout caused by the failure of a high-voltage power line hits parts of Buenos Aires, leaving more than 622,000 customers without electricity.[7]
9 March – Sixteen people are killed in Bahía Blanca following severe flooding.[8]
24 March – The Milei administration announces the declassification of files from the Argentine Armed Forces relating to the 1976–1983 military dictatorship as well as all other documentation produced in another period but related to the actions of the armed forces.[10]
25 March – President Milei orders the release and declassification of all official records concerning German Nazis who sought refuge in Argentina after World War II.[11]
31 March – Konstantin Rudnev, the founder of the Russia-based Ashram Shambala sect, is arrested along with 13 of his followers in separate operations at Bariloche and Buenos Aires on human trafficking charges.[12]