Timeline of Key Events Related to the Affordable Care Act (ACA)

Year/Date	Event
2007–2008	The term "Obamacare" first emerged during Barack Obama’s presidential campaign.
October 2009	SNL airs its first ACA parody sketch, featuring Dwayne Johnson as President Obama.
March 23, 2010	President Obama signs the ACA into law.
2011	President Obama embraces the term, saying: “I have no problem with people saying Obama cares. I do care.”
September 2013	SNL airs another ACA-themed sketch, with Jay Pharoah as Obama and Aaron Paul promoting the ACA rollout.
2010–2014	ACA implementation period: Medicaid expansion, health insurance marketplace, and pre-existing condition protections phased in.
2014	Major provisions take effect, including the individual mandate and insurance subsidies.
2021–2022	ACA expanded under the American Rescue Plan, increasing subsidies and broadening access.