Myanmar By reinhdyl Period: Jan 1, 1800 to Jun 13, 2012 Time Span May 18, 1817 The province of Assam becomes tributary to Myanmar Mar 5, 1824 Start of the First Anglo-Burmese War Nov 29, 1885 End of Burmese Monarchy Jan 1, 1886 Myanmar is proclaimed a British colony and a province of British India May 15, 1942 Japanese occupation of Myanmar Jan 4, 1948 Independence is achieved in Myanmar Aug 10, 1987 Currency devaluation wipes out savings and triggers riots Sep 25, 1988 Border trade between Myanmar and China officially opens Jun 7, 1990 Western nations and Japan begin economic sanctions against Myanmar Jul 23, 1997 Myanmar is admitted into ASEAN May 2, 2008 Cyclone Nargis kills 140,00 people and devastates the Irrawaddy Delta