Complex sentence: On January 27,1906,1,5,50 and 100 pataca notes were introduced by the Banco Nacional Ultramarino and all foreign coinage was outlawed, the idea being to make the pataca notes the sole legal tender currency in Macau.
Split into simpler sentences: On January 27,1906,1,5,50 and 100 pataca notes were introduced by the Banco Nacional Ultramarino. All foreign coinage was then outlawed, the idea being to make the pataca notes the sole legal tender currency in Macau.