Japan in WWII By Jovan777 1940 Japan Invades Thailand 1941 Japan Invades Malaysia Dec 7, 1941 Japan Bombs Pearl Harbour Dec 9, 1941 Japan Declares War on Britain and the Commonwealth Dec 10, 1941 British Warships "Repulse" and "Prince of Wales" were sunk 1942 Japan Invades Korea 1942 Japan Invades New Guinea 1942 Japan Invades the Phillipines Feb 15, 1942 Singapore was Captured by Japan Feb 17, 1942 Prime Minister John Curtain describes what he expects of all Australian Citizens