Which country attacked Sydney Harbour with miniature submarines during World War II?
Germany
Italy
Japan
Indonesia
 On the night of 31 May – 1 June, three Japanese Ko-hyoteki-class midget submarines, each with a two-member crew, entered Sydney Harbour,  and attempted to sink Allied warships, ultimately killing 21 sailors.
reach: rather globalAustraliahistorynavySubmarinesubmarinesSydneywarWorld War II
Answers by country
Germany
Italy
Japan
Indonesia
answers
 Israel
Israel12
 Spain
Spain11
 Republic of Ireland
Republic of Ireland43
 Greece
Greece18
 France
France18
 the United Kingdom
the United Kingdom191
 Canada
Canada37
 New Zealand
New Zealand12
 Germany
Germany87
 Australia
Australia75
 Poland
Poland3527
 the United States
the United States265
 Italy
Italy16
 the Netherlands
the Netherlands15
 Russia
Russia15
 Malaysia
Malaysia10
 India
India53
 the Philippines
the Philippines16