The colours of the table refers to the events that have to do with the following countries. (when more than one of these countries are included, it is unclassified.

Germany   Italy   Japan   Unclassified  
1894
Japan defeated China and gained control on Korea and Taiwan.
late 19th century
Modernisation of Japan
1904
Japan defeated Russia and gained control of Russia's port in China and some of Russia's share of Manchuria.
WWI
Japan joined the Allies
1930's
The Great Depression 
Japan was greatly affected.
1931
Japan invaded and conquered Manchuria. 
conquering of Manchuria alarmed Britain, resulting in speeding up of construction of Naval Base in Singapore.
1932
Adolf Hitler's party became the largest party in Germany.
late 1930's
Germany's armed forces have been strengthened.
1937
Japan attacked other parts of China. 
effect on Singapore: Boycotting of Japanese goods, contributions to help China, anti-Japanese demonstrations were organised.
1938
Austria became part of Germany to avoid war with Germany. 
Germany gained control of North-western Czechoslovakia.

Britain fought Germany in Europe
Dry dock in Singapore had been completed, but only a small fleet of warships was available in Singapore.
1939
By this time, Germany and Italy were known as the Axis Powers. Britain, France, and other countries formed the Allies.

Germany conquered the whole of Czechoslovakia. 
Hitler made an agreement not to fight with Soviet Union not to fight each other. After Germany gained control of Poland, they would divide Poland between them. 
Britain and France declared war on Germany, because Hitler refused to stop his invasion of Poland. 
Germany coquered Denmark, Norway, Holland, Belgium and France.
1940
Britain was the only Allied country left. 

Japan became the Pacific Axis partner.
1941
Germany attacked Soviet Union, breaking the promise that they made. 

Italy attacked Greece and Egypt.

America joined in the war against the Axis (it joined the Allies)

Japanese invaded Malaya 
Japan bombed Pearl Harbor. 
Japan invaded Dutch East Indies and British Burma.
1942
Germany conquered part of Soviet Union. 

Japan conquered Malay Peninsula. 
British destroyed the Naval Base in Singapore. 
The Japanese gained control of Singapore. 
Japan conquered Philippines, an American colony. 
Japan was trying to conquer New Guinea. 
Americans broke the Japanese code for secret radio messages, thus foreseeing a Japanese attack. They destroyed many Japanese crafts and warships. This greatly weakened Japan.
1943
British drove German out of Egypt. The Allied force of British and American troops forced Germany to surrender. 
Soviet Union fought back and drove the Germans out.
1944
Italy fell to the Allies. 

Americans regained control of Phillipines.

British Allied troops reconquered France.
1945
Allied forces trapped the German forces and Germany surrendered.

America captured the islands of Iwo Jima and Okinawa of Japan.
America used two atomic bombs on Japan-- One in Hiroshima and the other in Nagasaki, forcing the Japanese to surrender. 
Singapore returned to the British.
-End of War