The Great Fire of London started in the very early hours of September 1666. In four days it destroyed more than three-quarters of the old city, where most of the houses were wooden and close together. One hundred thousand people became homeless, but only a few lost their lives.

The fire started on Sunday morning in the house of the King’s baker(面包师)in Pudding Lane. The baker, with his wife and family, was able to get out through a window in the roof. A strong wind blew the fire from the bakery(面包房)into a small hotel next door. Then it spread quickly into Thames Street. That was the beginning.

By eight o’clock three hundred houses were on fire. On Monday nearly a kilometer of the city was burning along the River Thames. Tuesday was the worst day. The fire destroyed many well-known buildings, old St Paul’s and the Guildhall among them.

Samuel Pepys, the famous writer, wrote about the fire. People threw their things into the river. Many poor people stayed in their houses until the last moment. Birds fell out of the air because of the heat.

The fire stopped only when the King finally ordered people to destroy hundreds of buildings in the path of the fire. With nothing left to burn, the fire became weak and finally died out.

After the fire, Christopher Wren, the architect(建筑师), wanted a city with wider streets and fine new houses of stone. In fact, the streets are still narrow; but he did build more than fifty churches, among them new St Paul’s.

The fire caused great pain and loss, but after it London was a better place: a city for the future and not just of the past.

Dancing until you drop is a well­known saying, but would you really be able to dance until you dropped dead? In 1374, in some European towns, people did exactly that. They were struck by a dancing plague (瘟疫) that forced them to dance.

This phenomenon (现象) was reported to have happened throughout parts of Western Europe, affecting people from the 14th to the 17th century. Hardly stopping to eat or even sleep, they would dance, sometimes for days on end, making this one of the strangest sicknesses in Western history.

Over the next century, there were only a few outbreaks. However, in the summer of 1518, it reappeared in the city of Strasbourg, France. It all began with a woman called Mrs. Troffea, who started to dance crazily in the street.

She was soon joined by 34 people within a week; by the end of the month, the crowd had increased to 400, most of whom were women. Again, people were dancing until they could no longer continue, with some finally dying from heart attacks or exhaustion. One report shows that the plague was killing around 15 people per day.

As the plague worsened, concerned nobles (贵族) turned to the advice of local doctors, who said that the plague was a “natural disease” caused by “hot blood”. So the nobles encouraged more dancing.

The reason behind their actions was they believed the dancers could only recover if they danced continuously night and day. The nobles even paid for musicians to keep the moving.

Then, as before, it disappeared almost as suddenly as it had come.

While these events may sound highly unbelievable, there is clear written evidence that it did happen.

Now, historians and scientists are still trying to find out the true cause of this phenomenon.

On December 22, 1775, two of Washington’s soldiers brought a prisoner to his headquarters (司令部). Washington thanked the soliders, then gave an order that the prisoner was to be left alone and that the soldiers were to shoot if the man tried to escape. But when the door was closed, Washington smiled.

The man standing in front of him was John Honeyman, one of the general’s most trusted men. In early November, Washington had given Honeyman orders to travel with the British army as a servant and to stay with it until he had something to tell. Honeyman now had important information. He described the situation in Trenton, giving the exact number and position of the troops there.Trenton was held by several companies (连队) of Hessians (雇佣军). The Hessians were not English soldiers.They were Germans who had been hired by the British to fight in America. According to Honeyman, the Hessians fought only for money. They had done nothing to build up their defences in Trenton. Now they were busy planning a big Christmas celebration.

Washington immediately made a daring plan. He chose Christmas Day for an attack on Trenton. At ten o'clock next morning, the attack was over. The Americans won a great victory.