Complex sentence: In March 2007, it was announced that Iran would issue a 50,000 rial banknote with the subject being the Iranian nuclear energy programme, which has become an object of national pride and the symbol of independence for many Iranians.
Split into simpler sentences: In March 2007, it was announced that Iran would issue a 50,000 rial banknote with the subject being the Iranian nuclear energy programme. This has become an object of national pride and the symbol of independence for many Iranians.