And what else you need to know today.

Britain prepares to vaccinate a nation.

As a conservative president and a descendant of nobility, he sought to make government more responsive to the people but was thwarted by an economic slowdown, demographic shifts and an imperious bearing. He died of Covid-19.

China released video footage on Wednesday showing the arrival of its Chang’e-5 robotic spacecraft on the moon’s surface. Within hours of arriving it began collecting lunar rocks and soil.

The Trump administration wants Saudi Arabia to open its airspace to Qatari flights that are currently paying millions of dollars to route over Iran.

In response to the assassination of its top nuclear scientist, Iran says it will return its nuclear enrichment to levels that existed before the 2015 nuclear deal.

Britain gets ready to roll out a vaccine.

When early results from the final trials began to roll in, scientists were well prepared. Now, they face the logistical challenge of putting the vaccine to work.