Spanish American wars of independence important change in strategy after three United Provinces campaigns had been defeated in Upper Peru. San Martín's army became the nucleus of the Army of the Andes, which received crucial political and material support in 1816 when Juan Martín de Pueyrredón became Supreme Director of the United Provinces. In January 1817, San Martín was finally ready to advance against the royalists in Chile. Ignoring an injunction from the congress of the Río de la Plata not to move against Chile, San Martín together with General Bernardo O'Higgins Riquelme, later Supreme Director of Chile, led the Army over the Andes in
Republic Day (Armenia) Declared its sovereignty on 28 May 1918. Armenia was proclaimed an independent republic on May 28, 1918. The republic immediately experienced massive hunger, and a massive influx of refugees. The republic was short lived, and as of December 2, 1920, the Red Army entered Armenia and it was proclaimed it a Soviet Republic. Armenia regained its independence as the current Republic of Armenia in 1991. The Republic of Armenia celebrated its first Republic Day with a parade on Republic Square, led by Lieutenant General Norat Ter-Grigoryants. The Republic Day celebrations conicide with the anniversary of the Battle of Sardarabad, which