It's said that journalists write the first draft of history. To mark the 30th anniversary of the fall of the Berlin Wall on 9 November 1989, John Simpson, the BBC's world affairs editor and longest-serving correspondent, goes back to his reports on what he believes is the most important story he ever covered – the collapse of the Berlin Wall.
German commanders discover the efficiency of gassing prisoners, and Auschwitz transforms from a small backwater camp for those resisting the Nazi occupation of Poland to a large scale extermination camp for Jews.
An animated data-driven documentary about war and peace, The Fallen of World War II looks at the human cost of the second World War and sizes up the numbers to other wars in history, including trends in recent conflicts. Visit fallen.io for the interactive version and more information.
Rageh Omaar explains how the collapse of this Islamic super-power following the first World War left problems that still exist in Europe and the Middle East today. From its capital in Istanbul the Ottoman Empire matched the glories of Ancient Rome. Yet its achievements have been largely lost in the trauma of its last few years. Brutality, massacres and the carve-up of former Ottoman lands created a legacy of tension and conflict that continue to this day. The heartland of the former empire - modern day Turkey - turned its back on its Islamic, Ottoman past. It underwent a social revolution led by military commander and secular visionary Mustafa Kemal-Ataturk. So why is Ottomanism back on the political agenda? And why are many politicians in the West hoping that Turkey can provide a role model as a modern, Islamic democracy?
Simon explores modern Istanbul in search of the last desperate centuries of Christian Byzantium, in which the once glorious city was buffeted by enemies in both East and West, and yet still produced a golden artistic renaissance. This is story of the Christian crusaders who destroyed the city, and the Ottoman Muslims who restored it to life as an imperial capital after the epic siege of 1453.
The eruption of Mount Vesuvius is renowned for its decimation of Pompeii, but nearby, an equally impressive Roman settlement known as Herculaneum was lost to history. Today, the latest in technology is opening a wind to the past, as scientists digitally "unravel" the Herculaneum Scrolls.