2004: Ohio enacted its first concealed carry weapons permitting system.
2006: Lawmakers approve a bill to pre-empt local jurisdictions from having their own firearms laws. The new law expands the CCW program.
2008: Ohio passes a law expanding the right to use deadly force to defend a home or vehicle. Signed by Gov. Ted Strickland, a Democrat, it is heralded by the NRA as the most sweeping gun rights bill adopted in any state in a decade.
2011: Gov. John Kasich, a Republican, signs into law a measure that allows CCW permitholders to carry guns into bars, restaurants, shopping malls, museums and other places.
2012: Kasich signs another CCW bill into law that allows gun owners to keep firearms in the vehicles in parking facilities.
2014: Kasich signs into law the use of noise suppressors while hunting, a reduction in CCW required training hours to eight from 12 and an expansion of reciprocity of CCW permits with other states. The new law also removes semi-automatic weapons that fire 31 or more cartridges without re-loading from the list of highly regulated dangerous ordnances.
2016: Kasich signs into law a measure to allow CCW permitholders to carry weapons on college campuses, in day care centers, inside public areas of airports and elsewhere. The new law also blocks businesses or property owners from barring CCW permitholders from keeping their firearms in their vehicles.
2018: Following the mass shooting in Parkland, Florida, Kasich changes his position on gun control and backs measures to enhance background checks, prohibit bump stocks, red flag laws and more.
2018: State lawmakers step away from a "stand your ground" bill. Instead, the law aligns Ohio with 49 other states when it comes to the burden of proof in self-defense cases. Kasich vetoed the measure but lawmakers overrode the veto.
2019: Following a mass shooting in Dayton, Gov. Mike DeWine, a Republican, advocates a 17-point plan for gun restrictions and increased mental health services.