District 3450 did not always incldue the territory it does now. Below is the timeline showing the evolution of District 3450’s geographical limit:

1960 – 1978 District 3450
Taiwan / Hong Kong / Macao 

1978 – 1987 District 3450
Northern Taiwan / Hong Kong / Macao 

1987 – 1991 District 3450
Hong Kong / Macao

1991 – 2000 District 3450
Hong Kong / Macao

2000 – 2003 District 3450
Hong Kong / Macao / Mongolia

Feb 2003 – District 3450
Hong Kong / Macao / Shanghai / Beijing / Mongolia

Source: http://www.rotary3450.org/district/history/geographical_limit