In May 1945, British soldiers near the Austrian border town of Klagenfurt handed over 26,000 Yugoslav anti-Communist refugees to Tito's Communist partisans, who disarmed then machine-gunned them. Who was responsible? Timewatch has investigated the records and, for the first time, British officers and Yugoslav survivors describe what happened.

In 1348, the Black Death killed one in three of the population. Until now we have always assumed it was an outbreak of bubonic plague. Now a zoologist suggests a far more fearsome disease was the cause. Christopher Andrew investigates.

PREVENTING THE THIRD WORLD WAR: 1984 opens amid the greatest fears of international tension and nuclear holocaust since the Cold War. Lord Bullock, biographer of British Foreign Secretary Ernest Bevin, talks about the foundation of NATO and how the West learnt to deal with the Soviet Union after the War.

THE KITCHENER ENIGMA: In 1916 Lord Kitchener was drowned on his way to Russia. Now underwater pictures reveal clues as to how his ship, HMS Hampshire, was sunk. Will they lay to rest the rumour that still remains about the secrets surrounding the Imperial War Lord?

THE LAST BATTLE IN ENGLAND: In 1745 the Stuarts had their last chance of being restored to the English throne. Bonnie Prince Charlie reached Derby but then retreated. If he had marched on towards London, could he have seized the crown?

THE LAST FÜHRER: Among the Nazi war leaders tried at Nuremberg, Hitler's successor Admiral Doenitz received the lightest sentence of all. Now new research suggests Doenitz was far more deeply implicated in the atrocities of the Third Reich than previously imagined.

'THEY BE EVIL PEOPLE': Such was how British newspapers described the Russians in the late 17th century. A cautionary tale of how Englishmen in the 1720s feared Tsar Peter the Great planned to conquer the world.

THE CULT OF THE DEAD: How different were medieval attitudes towards death from our own today? The wills and funeral expenses of the 16th century help provide an answer.

THE CHARGE OF THE LIGHT BRIGADE: A meeting with the man who met the men who charged with the Light Brigade. Now aged 97, he has devoted his life to tracing all those who took part in the most celebrated action in Victorian history.

KOREA AND THE BOMB: Newly-released documents reveal the extent of American plans to use atomic weapons in the Korean War. The British feared they were being kept in the dark and risked being dragged into world war.

SIR ARTHUR BRYANT: Britain's most famous popular historian celebrates his 85th birthday. His latest book celebrates the greatness of our past. But is it good history?

SEX AND THE VICTORIANS: Did Victorian wives really 'lie back and think of England'? New research suggests they enjoyed a far more liberated sex life than conventional image allows.

GOD SAVE THE KING was first associated with George III. Why did the king who lost the American colonies become adored by his people, with the first royal souvenirs manufactured in his name?

STALIN'S FAMINE: Fifty years after millions of Ukrainian peasants died in Stalin's collectivisation, survivors remember the tragedy the Soviet Union still ignores. Malcolm Muggeridge recalls reporting the suffering.

THE BRITISH EMPIRE EXHIBITION: In 1924, 28 million people visited the last of the great imperial exhibitions at Wembley - now it is almost forgotten.

GOING MAD IN THE 19TH CENTURY: In 1807 there were 2,000 certified lunatics in England. By 1880 there were more than that in one institution.

ROBERT OWEN: Celebrated as defender of the Tolpuddle Martyrs, founder of the Cooperative Movement and a father of British socialism; was Robert Owen in fact a Victorian capitalist, his social reforms designed for greater profits?

THE CASE FOR KING WILLIAM: Why did William of Normandy believe the Crown of England was his right? What do we know of the barons who stamped their authority on their newly-conquered possessions?

THE SECRETS OF DOMESDAY: The Domesday Book is the greatest achievement of Norman government - it surveyed every acre of William's kingdom. Now a computerised study reveals details hidden for 900 years.

SIR WALTER RALEIGH: In North Carolina they are celebrating the 400th anniversary of the first settlement in North America. Colonisation of the New World was Walter Raleigh's most ambitious scheme, but what was its aim?

THE RISE OF THE VICTORIAN TOWN HALL: With the future of the GLC at stake Mark Jones examines the spectacular growth of Victorian local government and the moment the Tory Government in 1898 tried to abolish the London County Council.

THE LEAKING EMBASSIES: Christopher Andrew reports on the security leaks in the British embassies in Rome and Berlin in the 1930s. The Foreign Office was stunned by the sorry state of British security.

ELECTION 1784: It was the first modern General Election. Two parties, two national leaders - the King versus Parliament. With a computer analysis of the crucial results, Timewatch fights again the election that marked a watershed in English political history.

1914 - WAS GERMANY GUILTY? Seventy years on, the question remains: did Germany conspire to cause war in the summer of 1914? Norman Stone, Professor of Modern History at Oxford, untangles the evidence from the years of crisis, in the vanished empires of Tsarist Russia, the Kaiser's Germany, and Austria-Hungary.

THE FIRST FOOTBALL HOOLIGANS: How new is soccer violence? Christopher Andrew uncovers new evidence that pitch invasions, mob riots and attacks on rival supporters were at their height before 1914.

THE FIRST OIL CRISIS: The Abadan oil crisis of 1951 brought Iran and Britain into open conflict. Then the British Government planned for an invasion; today the memory shadows Iranian suspicions of the West. Sir Anthony Parsons, former adviser to Mrs Thatcher and Ambassador to the Shah, assesses this turning-point in post-war Iranian history.

CLIMATE OF TREASON: The plight of Catholics in Elizabethan England. With their allegiance divided between the Pope and their Queen, should they put their conscience or country first? Were they martyrs or traitors?

ABRAHAM LINCOLN: How true are historical novels? Gore Vidal's 'Lincoln' draws the political battlefield in Washington during the American Civil War. What does it add to our portrait of one of America's greatest presidents?

THE RISE AND FALL OF THE ARISTOCRACY: The British landed Aristocracy held undisputed power and unparalleled property for over 300 years. How did they keep power for so long and why did their collapse come when it did?

THE FIGHTING TEN: A tin trunk in Ascot reveals the forgotten history of one of the most celebrated families of the Victorian Raj: the story of the ten Battye brothers who fought for British India has been pieced together by their descendants.

THE LAST UPRISING: In 1839, 7,000 Welsh miners and ironworkers marched on Newport to demand their democratic rights. The result was the last mass treason trial in British history. Now new research suggests that it was planned as a prelude to a revolution.

THE FALKLANDS AND THE MURDEROUS GAUCHO: The strange case of Antonio Rivero, who caused the Cabinet of 150 years ago serious doubts as to whether Britain had sovereignty over the Falklands or not.

GOERING: Hermann Goering was portrayed by war-time propaganda as the fat buffoon of the Third Reich. A new study reveals him as the most effective political operator in Nazi Germany.

NELSON: Heroes inevitably suffer at the hands of those who worship them, few more so than one of the most popular of all, Nelson. Since his death in 1805, how have subsequent generations perceived him?

THE TORIES AND THE WORKERS: Mrs Thatcher's election victory last year was unparalleled since Lord Salisbury in 1900. How does her electoral achievement compare with her 19th-century predecessors? Why do the working class consistently vote Conservative?

WYCLIFFE: In 1428 the body of John Wycliffe was dug up, burnt and scattered to the wind. The Peasants' Revolt claimed him as their inspiration. Yet on the 600th anniversary of his death practically nothing is known of him.