Trial of Catalonia independence leaders The former leadership of the Mossos d'Esquadra, the Catalan regional police, whose defendants are Major Josep Lluís Trapero, Pere Soler, Cèsar Puig, and Lieutenant Teresa Laplana, are acquitted by the National Audience of the crimes of sedition and disobedience for their role during the 2017 Catalan independence referendum.
COVID-19 pandemic Wisconsin reports a record 48 new deaths, bringing the state's death toll to 1,681 and the death rate up from 0.91% to 0.92%.
The Ohio Department of Health registers 2,366 cases in the last 24 hours. This is the highest single-day increase in cases for Ohio during the pandemic, and this brings the statewide total to 188,005.
Jordan reports 2,648 new cases, its highest daily number since the start of the pandemic as the country faces a major outbreak, with a tripling of deaths in just the last two weeks. The record numbers increase its total of cases to 43,620.
Iran announces a record-high single-day spike in new cases since the first case was reported in Qom in February, with 5,616 new infections reported in the last 24 hours, according to a statement from Health Ministry spokeswoman Sima-Sadat Lari.
Ukraine registers a record 6,719 new infections in the past 24 hours, bringing the total number of confirmed COVID-19 cases to 309,107, according to the interactive map of the NSDC.
Slovenia reports 1,503 new cases in the past 24 hours, its highest number yet, taking the nationwide total to 15,982. In addition, a record eight people have died in the last 24 hours.
Slovakia reports 2,202 new cases in the last 24 hours, a new record in a single day since the start of the pandemic, according to data from the Health Ministry.
Russia reports a record 317 new fatalities, taking the nationwide total to 24,952, as the country resists reintroducing strict lockdown measures.
Poland surpasses 200,000 COVID-19 cases after a record 10,040 new cases were reported by the Health Ministry in the last 24 hours.
Croatia registers 1,424 new infections in the last 24 hours, a new record high since the beginning of the pandemic.
Greek Civil Protection Deputy Minister Nikos Hardalias announces the designation of Kastoria into Level Four (red zone) and imposes a local lockdown in the region starting October 23 in an attempt to curb the spread of COVID-19 in the region.
Greece reports 865 new cases in the past 24 hours, a new record high, raising the number of confirmed cases to 27,334, according to data from the National Public Health Organization
In response to the surge of new cases, the Czech government announces that it will close non-essential shops and limit the people's movement to essential reasons only in new lockdown measures effective between tomorrow at 6:00 a.m. and November 3 at 11:59 p.m. local time.
Czech Republic reports a new record high of new infections in a single day, with 11,984 new cases reported in the last 24 hours, taking the nationwide total to 193,246.
It is announced that Lazio will introduce a curfew between midnight and 5:00 a.m. local time starting October 23, becoming the third Italian region to impose a curfew, after Lombardy and Campania.
Italy registers 15,199 new infections in the past 24 hours, according to the health ministry, the highest daily tally since the start of the outbreak in the country. While deaths increase by 127, this is the first time virus-related deaths have surged above 100 since May.
Lombardy reports a new record high of new infections, with 4,120 new cases reported in the last 24 hours and positivity rates surging to 11%.
The number of confirmed cases in the United Kingdom surges to a new record high of 26,688, bringing the total number of confirmed cases to 789,229.
It is announced that South Yorkshire will move into tier three restrictions at 00:01 a.m. BST on October 24, after a deal was reached between local leaders and the government to provide £41 million in extra support. The restrictions will cover around 1.4 million people in Barnsley, Doncaster, Rotherham, Sheffield, and the surrounding areas.
Stampede A stampede at a stadium in Jalalabad, Nangarhar, Afghanistan, kills 15 people and wounds 11 others.
2020 Nagorno-Karabakh conflict Azerbaijani forces say they have captured the town of Mincivan and 13 other settlements in Zangilan District, Nagorno-Karabakh.
End SARS Nigerian police open fire on protestors in Lekki, Lagos State, killing several people; Amnesty International puts the death toll at "at least 12".
War in Afghanistan The Taliban kills at least 12 members of the police in Baharak District, Takhar Province.