3rd June 1539 – Hernando De Soto, Spanish explorer and conquistador, claimed Florida for Spain. 1839 – Lin Tse-hsü destroyed 1.2 million kg of opium in Humen, confiscated from British merchants, providing Britain with a Casus belli to open hostilities with China, resulting in the First Opium War. 1924 – Franz Kafka died. 1937 – […]