644 - Umar ibn al-Khattab, second Muslim caliph, is killed in Medina by an enslaved Persian captive.

In her first public address since she leaked a trove of damaging documents about Facebook’s inner workings, whistleblower Frances Haugen urged her former boss, Mark Zuckerberg, to step down and allow change rather than devoting resources to a rebrand.

It is the hope of many that the legacy of this summit - written in history books yet to be printed - will describe you as the leaders who did not pass up the opportunity; and that you answered the call of those future generations. … But we are doing this not for ourselves but for our children and our children’s children.

A crucial UN conference heard calls on its first day for the world’s major economies to keep their promises of financial help to address the climate crisis.

Nearly all internationally available development financing is now committed to reducing or ending investment in coal-fired power after moves by China and the G20 to stop supporting new projects overseas, new research showed yesterday.

At least six people have died in Nigeria's commercial capital of Lagos after the collapse of a high-rise building that was under construction, the state emergency services chief said on Tuesday.

Elon Musk, the richest person in the world, says he will sell $6 billion worth of Tesla stock and donate the proceeds to the United Nations’ food agency if it could show how the money would solve world hunger.

Israel's energy minister was unable to participate in the United Nation's COP26 summit in Glasgow on Monday because the transportation offered to her was not accessible by wheelchair, she said in a TV interview.

Britain yesterday told France that it must back down within 48 hours in a fishing row that threatens to spiral into a wider trade dispute or face tortuous legal action under the Brexit trade deal. 

1917 - Balfour Declaration proclaims support for a Jewish state in Palestine.

French President Emmanuel Macron said Australian Prime Minister Scott Morrison lied to him over the cancellation of a submarine building contract in September, and indicated more efforts were required to rebuild trust between the two allies. 

US President Joe Biden yesterday apologized to world leaders for his predecessor Donald Trump’s withdrawal from a global climate accord and said fighting the crisis should be seen as an economic opportunity. 

At least 22 people were killed in a Huthi rebel missile strike on a mosque south of the strategic Yemeni city of Marib, officials said yesterday. 

Turkey’s President Tayyip Erdogan has cancelled plans to attend the COP26 climate conference after Britain failed to meet Ankara’s demands on security arrangements, two Turkish officials told Reuters yesterday.

“It’s time to say: enough,” the UN Secretary-General said. “Enough of brutalizing biodiversity. Enough of killing ourselves with carbon. Enough of treating nature like a toilet. Enough of burning and drilling and mining our way deeper. We are digging our own graves.” He urged the delegates to: “Choose ambition. Choose solidarity. Choose to safeguard our future and save humanity.”

World leaders must act to “save humanity”, UN chief Antonio Guterres said yesterday as they met for the historic COP26 climate summit with code-red warnings from scientists ringing in their ears. 

South Africans started voting yesterday in municipal elections, with the ruling African National Congress (ANC) facing discontent over poor services and stark inequality 27 years after ending white minority rule. 

Iran yesterday repeated its insistence its nuclear programme was peaceful, two days after the US, Britain, France and Germany expressed their “grave” concern on the sidelines of a G20 meeting. 

French President Emmanuel Macron said Australian Prime Minister Scott Morrison lied to him over the cancellation of a submarine building contract in September and indicated more efforts were required to rebuild trust between the two allies.

Turkey's President Tayyip Erdogan has cancelled plans to attend the COP26 climate conference after Britain failed to meet Ankara's demands on security arrangements, two Turkish officials told Reuters on Monday.