History of California before 1900 decade and a half, the colony came to rely upon trade with Anglo-Americans and Spanish-Americans from Lima and San Blas for economic survival and political news. The victory in the Mexican War of Independence from Spain in 1821 marked the beginning of Mexican rule in California, in theory, though in practice Mexico did not exert control until 1825. The Indian congregations at missions and the missionaries provided the critical source of products that underlay export revenues for the entire colony between 1810 and 1825. Converting new Indians faded, while ranching and trade increased. As the successor state to the Viceroyalty
Battle of the Trench (1821) before. Battle of the Trench (1821) The Battle of the Trench () was fought near Tripolitsa in Arcadia in August 1821 during the first year of the Greek War of Independence between the Greek revolutionary forces led by Theodoros Kolokotronis and the Ottoman garrison of Tripolitsa. The battle ended with the complete victory of the Greeks. In August 1821, Greeks began the siege of Tripolitsa. The Ottomans who were besieged in the city attempted several night sallies in order to find supplies. When Theodoros Kolokotronis was called by the besiegers to take over command of the siege, he therefore ordered