By 1800 more than a thousand steam engines were in use in the British Isles, and Britain retained a virtual monopoly on steam engine production until the 1830s.

到了1800年，一千多台蒸汽机在不列颠群岛运行，直到19世纪30年代，英国一直垄断着蒸汽机的生产。

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Anglo Saxon warriors in the British Isles Photo: alamy.

盎格鲁撒克逊战士在英伦三岛图片：alamy。

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The two largest islands in the British Isles are Ireland and Great Britain.

不列颠群岛中两个最大的岛是不列颠岛和爱尔兰岛。

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Some political leaders in the British Isles have already begun looking at tightening the law further.

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The RUC is already the most decorated police force in the British Isles but the George Cross will cap it all.

BBC: Queen salutes RUC courage

The RUC is the most decorated police force in the British Isles.

BBC: Medal for NI prison staff