For the following countries, identify one significant event - either a conflict or election - that changed the way in which the country was ruled: Iraq; Syria; Turkey.
1. Iraq - The 2003 invasion of Iraq by the United States and its allies led to the overthrow of Saddam Hussein's regime and the establishment of a new government, marking a significant shift in the way the country was ruled.
2. Syria - The ongoing civil war that began in 2011 as part of the Arab Spring protests has extensively changed the way the country is ruled, leading to the collapse of the Assad regime's control over large parts of the country and the rise of various factions fighting for power.
3. Turkey - The 2016 failed coup attempt as well as the subsequent crackdown on dissent and opposition by President Recep Tayyip Erdogan's government have marked a significant shift in the country's ruling system, resulting in increased authoritarianism and consolidation of power by Erdogan.