United Kingdom Researchers in the United Kingdom use a pioneering gene therapy technique to treat sufferers of ocular defects such as retinal choroideremia.
Crown Prince Nayef Nayef bin Abdul-Aziz Al Saud, the Saudi Arabian Minister of the Interior, is named as the new Crown Prince of Saudi Arabia, following the death of Sultan bin Abdul-Aziz Al Saud on October 22.
Islamist The moderate Islamist Renaissance Party (Nahda) officially wins the Tunisian Constituent Assembly election, gaining more than 41% of the vote and securing 90 of the 217 parliamentary seats being contested.
Giles Fraser Dr Giles Fraser, the canon chancellor of London's St Paul's Cathedral, announces his resignation from the post, as police prepare to remove Occupy London protesters from the cathedral's churchyard. Dr Fraser said he could not condone the use of violence against the demonstrators.
Mary McAleese Voters go to the polls to elect a successor to Mary McAleese in a presidential election.
Serial murderer Scottish serial murderer Robert Black is convicted of the 1981 murder of Northern Irish schoolgirl Jennifer Cardy.
Germany Twelve thousand people are evacuated from the German city of Halle, following the discovery of an unexploded World War II-era bomb.
7.1 magnitude earthquake The death toll from the 2011 Van earthquake in Turkey reaches 523, with rain and snow making conditions worse for people left homeless by the earthquake.
Eurozone European Union leaders agree to a deal to reduce Greece's debts and provide an additional 100 billion euros for a bailout fund.
Bank of Korea The Bank of Korea reports that the South Korean economy grew at the slowest rate in three quarters.
Australian Stock Exchange Trading on the Australian Stock Exchange is suspended for four hours due to a technical fault.
Pakistan A bomb explodes in a food market in the Pakistani city of Peshawar, injuring at least 11 people.
United Nations Security Council The United Nations Security Council confirms that the NATO-enforced no-fly zone over Libya will be terminated on October 31.