The whole business of the ending of the War was a complex and long drawn out process, but nothing particularly notable seems to have happened on 8 August:
1945
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30 April: Hitler commits suicide
7 May: German Military surrender signed at SHAEF, Reims.
8 May: German National surrender signed at Karlshort, Berlin.
26 July: Potsdam Declaration tells Japan to surrender.
6 August: Hiroshima
9 August: Nagasaki. USSR enters the war.
10 August: Japanese Emperor tells Foreign Ministry to notify the Allies of Japan's intention to surrender unconditionally, provided the Emperor remains in place.
11 August: Allies agree.
14 August: VJ day. Allies announce the surrender and the Emperor informs his people.
2 September: Official surrender ceremony.
1947
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10 February: Paris Peace Conference ends, peace treaties signed between the Allies and Axis, excluding Germany.
1950
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End of state of war with Germany declared by many allies.
1951
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Most other allies declared an end to the state of war with Germany.
8 September: Treaty of San Francisco signed.
1952
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28 April: Treaty of San Francisc comes into effect ending the war with Japan.
1955
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Soviet Union declares an end to the state of war with Germany.
1991
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The Treaty on the Final Settlement with Respect to Germany was signed. Unified Germany recognised and provision made for all occupying forces to withdraw.