The Free Patriotic Movement of General Michel Aoun left the informal grouping before the 2005 general election, before March 14 was an established alliance, due to major disagreements. After the 2005 elections, The Free Patriotic Movement was the sole political opposition, but was joined one year later by the pro-Syrian government March 8 Alliance in November 2006.
The Progressive Socialist Party left the 14 March movement in August 2011.
The National Liberal Party left the 14 March movement the 22 December 2016.
On the 12th of July 2006, the 2006 Lebanon War between Israel and Hezbollah started. During the war, the 14 of March Coalition took a stance against Hezbollah accusing the armed party of causing the war on Lebanon. However, Hezbollah claimed that Israel preplanned such a war, supposed to be waged on September during the annual rally Hezbollah holds on the International Qods (Jerusalem) Day.
The 14th of March coalition, amidst the war, urged Hezbollah to hand over their weapons, accusing the party of causing the war on Lebanon.