February 28: Peace Memorial Day in Taiwan * 1838 – Lower Canada Rebellion: Robert Nelson, leader of the Patriotes, proclaimed the independence of Lower Canada. * 1870 – The Bulgarian Exarchate, the official name of the Bulgarian Orthodox Church before its autocephaly was recognized by the other Orthodox churches in the 1950s, was established by the firman of Sultan Abdülâziz of the Ottoman Empire. * 1947 – Civil disorder in Taiwan was brutally suppressed by the Chinese Nationalist military in the 228 Incident. * 1972 – U.S. President Richard Nixon's visit to the People's Republic of China concluded with the two countries issuing the Shanghai Communiqué, pledging to work toward the full normalization of diplomatic relations. * 1986 – Swedish Prime Minister Olof Palme was a