United Kingdom
Many laws governing possession and use of firearms have been passed over the years in the UK and the countries comprising the union; there is a historical discussion at Gun politics in the United Kingdom#History of gun control in the United Kingdom
The English Assizes of Arms of 1181 and 1252 governed arms, but predated firearms
The Bill of Rights 1689, England
The Disarming Acts of 1716 and 1725, Great Britain Act applicable explicitly to the Highlands of Scotland
The Act of Proscription 1746, essentially a restatement with harsher penalties of the Disarming Acts
The Vagrancy Act 1824
The Night Poaching Act 1828
The Game Act 1831
The Night Poaching Act 1844
The Poaching Prevention Act 1862
The Gun Licence Act (1870)
The Pistols Act 1903
The Firearms Act 1920 (10 & 11 Geo 5 c 43)
The Firearms and Imitation Firearms (Criminal Use) Act 1933 (23 & 24 Geo 5 c 50)
The Firearms Act 1934 (24 & 25 Geo 5 c 16)
The Firearms (Amendment) Act 1936 (26 Geo 5 & 1 Edw 8 c 39)
The Firearms Act 1937 (1 Edw 8 & 1 Geo 6 c 12)
The Firearms Act 1965 (c 44)
The Firearms Act 1968
The Firearms Act 1982
The Firearms (Amendment) Act 1988
The Firearms (Amendment) Act 1992
The Firearms (Amendment) Act 1994
The Firearms (Amendment) Act 1997
The Firearms (Amendment) (No. 2) Act 1997
The Violent Crime Reduction Act 2006 Part 2
https://en.wikipedia.org/wiki/Firearms_Act#United_Kingdom