They're done for

Soviet soldiers when the snow starts speaking finish:

Greeks when the city walls start speaking Turkish

Armenians when Nagorno Karabakh starts speaking Azerbaijani

Georgians when Abkhazia and South Ossetia start speaking Russian

America when the sand starts speaking Arabic:

Moldova when Transnistria starts speaking Russian

Australians when the grass starts speaking emu:

China when the sky starts speaking sparrow

Dang that's a good one! I'm out of ideas

You can do this with basically any war in history

Kievan Rus' when the fields start speaking Mongolian

Yeah

Another comment string or you can't think of more?

Can't thing of more at the moment

Americans when the trees start speaking Vietnamese

Spanish when the jungle starts speaking Mayan:

Japan when the sky starts speaking American

Romans when the sand starts speaking carthaginian:

Egypt when the desert starts speaking Hebrew

English when the sea starts speaking Norwegian:

China when the wall starts speaking Mongolian

British when the wall starts speaking Scottish:

Ukraine when the border starts speaking Russian

Czechia when sudetenland starts speaking German:

Egyptians when the Sand starts speaking Hebrew

*finnish