The largest Allied raid on Berlin took place on March 18 1945—shortly before Germany's surrender in May 45; some historians argue the raid was designed to justify the massive cost of the conventional bombing campaign in Europe.
Battle of Tannenberg
The WW1 German victory over The Soviet Union (Russian) in the Battle of Tannenberg weakened Russia leading to Russia's eventual defeat in 1918.
Invasion of Poland, Fall 1939
Prior to 1939 Hitler played brinksmanship with the Allies, adding adjacent areas with German-speaking populations to Germany—and in 1939, Germany and the Soviet Union (Russia) invaded and carved up Poland between them.
Australia's Gallipoli Campaign
On 25th April 1915 the ANZACs landed on the beach at Gallipoli.
Gallipoli Campaign 1915
The battles fought on the beaches of Gallipoli, Turkey, in 1915 brought the new Australian nation together and established the military reputation of the Australian and New Zealand Army Corps (ANZAC).
Why Stalin Starved Ukraine
Putin is following the example of Stalin in systematically setting out to destroy Ukrainian nationalism and even the idea of Ukraine by controlling and rewriting history.
How the Soviet Union's collapse explains the current Russia-Ukraine tension
Putin claimed that the Soviet Union's collapse was the "greatest geopolitical catastrophe of the 20th century "—implying that Ukraine and Russia are one country and should not be separated.
Nearly half of Russians ignorant of 1968's Czechoslovakia invasion
A third of Russians say the Soviet Union was fully justified to invade Czechoslovakia in 1968—this suggests that Russian propaganda is effective at changing the way today's Russians see the world.
The Hungarian Uprising of 1956
In 1956 the Soviet Union ruthlessly crushed the Hungarian Uprising against Soviet rule.
Maths swayed the Battle of Jutland – and helped Britain keep control of the seas
In the WW1 naval Battle of Jutland, the British calculated the odds and based their strategy on those odds and only accepted battle under perfect conditions— Britain was then unable to force a German withdrawal and keep them bottled up for the rest of the war.