25th February

1723 - English architect responsible for St Pauls Cathedral, Christopher Wren is born.

1838 - A London pedestrian walks 20 miles backwards, and then the same distance forwards in eight hours.

1918 - Meat, butter and margarine rationing begins.

1939 - The first Anderson air raid shelter is built in Islington, London.

1964 - Cassius Clay becomes World Heavyweight Boxing Champion. He later takes the name Muhammad Ali.

1999 - Scientists announce that spring starts six days earlier than it used to.