Rearrange these events in the history of the BBC into chronological order, beginning with the earliest at the top
Correctly ordered list
1: Broadcasting House opens 1932
2: Forces Programme begins 1940
3: Light Programme begins 1945
4: Third Programme begins 1946
5: Lime Grove studios open 1950
6: Blue Peter begins 1958
7: Doctor Who begins 1963
8: BBC2 begins 1964
9: Colour TV begins 1967
10: Ceefax begins 1974
