October 20, Queen Elizabeth II inaugurates Sidney Opera House

1827 – The naval Battle of Navarino takes place between the Egyptian fleet, combined Turkish and Algerian armada and the allied British, French, and Russian naval force .

1969 – The US imposes embargo on exports to Cuba, except medicine.
1973 – Queen Elizabeth II inaugurates Sidney Opera House with a cost of USD 80 million.

1980 – Greece rejoins the NATO.

1981 – The Soviet Union grants the Palestinian Liberation Organization mission in Moscow a diplomatic status as the sole legitimate representative of the Palestinian people.

1946 – Austrian Nobel -Laureate novelist Elfriede Jelinek was born.

2011 – Former President of Libya Colonel Muammar al-Gaddafi passes away.

H. Zain/ Ghossoun