German air force attack on  Britain was known as _______________.

On ____________ Japan bombarded the American naval base at Pearl Harbour.

The alliance formed by Rome, Berlin and Tokyo were generally known as ____________ in the Second World War.

The year in which Second world war broke out 

____________ was the American naval base in the island of Hawali in the Pacific Ocean.

Nelson Mandela was awarded the Nobel Prize for peace in __________.

The Battle of Berlin began in _________.

Second World War began on ___________.

Who was defeated in the Battle of Berlin?

The secret name of the Nazi plan to invade Soviet Union was ____________.