(100) century ass="wikitable" |- !tyle="width: 5\%"|Year||style="width: 10\%;"|Date||Event |- |tyle="text-align: right;"|1915||||Universal suffrage. |- |style="text-align: right;"|1916|||| The political parties Social Democratic Party and Progressive Party are founded . |- |style="text-align: right;"|1918||1 December||Iceland becomes a sovereign, independent nation. The Danish King remains head of state . |- |style="text-align: right;"|1922|||| Jarðræktarlögin . |- |style="text-align: right;"|1929|||| The Icelandic Independence Party is founded . |- |style="text-align: right;"|1930||20 December||The Icelandic Communist Party is founded. The Icelandic State Radio begins broadcasting . |- |style="text-align: right;"|1939|||| Following the occupation of Denmark by Nazi Germany, a national emergency government is formed under Sveinn Björnsson . |- |style="text-align: right;"|1940||10 May||The British invade, violating Icelandic neutrality . |- |style="text-align: right;"|1941||7 July||The United States Army, still officially neutral, replaces the British occupation force . |- |style="text-align: right;"|1944||17 June||Iceland becomes an independent republic, severing the last political ties to Denmark. Sveinn Björnsson becomes president . |- |style="text-align: right;"|1946|||| The Keflavik Agreement . |- |style="text-align: right;"|1948|||| Iceland receives Marshall Aid from the United States . |- |rowspan="2" style="text-align: right;"|1949||30 March||Riots break out on Austurvöllur . |- |4 April||Iceland joins the North Atlantic Treaty Organization . |- |style="text-align: right;"|1951|||| The United States Army establishes a base in Keflavík . |- |style="text-align: right;"|1952||1 August||Exclusive economic zone extended to 4 nautical miles. Ásgeir Ásgeirsson becomes president . |- |style="text-align: right;"|1958|||| Exclusive economic zone extended to 12 nautical miles . |- |style="text-align: right;"|1963||14 November||Volcanic eruption forms Surtsey . |- |style="text-align: right;"|1966||30 September||The Icelandic State Television begins its first broadcasts . |- |style="text-align: right;"|1968||1 August||Kristján Eldjárn becomes president. Collapse of the fishing industry . |- |style="text-align: right;"|1970||1 January||Iceland joins the European Free Trade Association . |- |style="text-align: right;"|1972|||| Exclusive economic zone extended to 50 nautical miles . |- |style="text-align: right;"|1973||23 January||Volcanic eruption in Vestmannaeyjar . |- |style="text-align: right;"|1975|||| Exclusive economic zone extended to 200 nautical miles . |- |style="text-align: right;"|1980||1 August||Vigdís Finnbogadóttir becomes president of Iceland, the first woman in the world to become elected head of state . |- |style="text-align: right;"|1994||1 January||Iceland joins the European Economic Area . |- |style="text-align: right;"|1996||1 August||Ólafur Ragnar Grímsson becomes president. |
 20th century YearDateEvent1915Universal suffrage.1916 The political parties Social Democratic Party and Progressive Party are founded .19181 DecemberIceland becomes a sovereign, independent nation. The Danish King remains head of state .1922 Jarðræktarlögin .1929 The Icelandic Independence Party is founded .193020 DecemberThe Icelandic Communist Party is founded. The Icelandic State Radio begins broadcasting .1939 Following the occupation of Denmark by Nazi Germany, a national emergency government is formed under Sveinn Björnsson .194010 MayThe British invade, violating Icelandic neutrality .19417 JulyThe United States Army, still officially neutral, replaces the British occupation force .194417 JuneIceland becomes an independent republic, severing the last political ties to Denmark. Sveinn Björnsson becomes president .1946 The Keflavik Agreement .1948 Iceland receives Marshall Aid from the United States .194930 MarchRiots break out on Austurvöllur .4 AprilIceland joins the North Atlantic Treaty Organization .1951 The United States Army establishes a base in Keflavík .19521 AugustExclusive economic zone extended to 4 nautical miles. Ásgeir Ásgeirsson becomes president .1958 Exclusive economic zone extended to 12 nautical miles .196314 NovemberVolcanic eruption forms Surtsey .196630 SeptemberThe Icelandic State Television begins its first broadcasts .19681 AugustKristján Eldjárn becomes president. Collapse of the fishing industry .19701 JanuaryIceland joins the European Free Trade Association .1972 Exclusive economic zone extended to 50 nautical miles .197323 JanuaryVolcanic eruption in Vestmannaeyjar .1975 Exclusive economic zone extended to 200 nautical miles .19801 AugustVigdís Finnbogadóttir becomes president of Iceland, the first woman in the world to become elected head of state .19941 JanuaryIceland joins the European Economic Area .19961 AugustÓlafur Ragnar Grímsson becomes president. 
D
(100) century
R
ass="wikitable" |- !tyle="width: 5\%"|Year||style="width: 10\%;"|Date||Event |- |tyle="text-align: right;"|1915||||Universal suffrage. |- |style="text-align: right;"|1916||||
20th century YearDateEvent1915Universal suffrage.1916
R
. |- |style="text-align: right;"|1918||1 December||Iceland
.19181 DecemberIceland
R
. |- |style="text-align: right;"|1922||||
.1922
R
. |- |style="text-align: right;"|1929||||
.1929
R
. |- |style="text-align: right;"|1930||20 December||The
.193020 DecemberThe
R
. |- |style="text-align: right;"|1939||||
.1939
R
. |- |style="text-align: right;"|1940||10 May||The
.194010 MayThe
R
. |- |style="text-align: right;"|1941||7 July||The
.19417 JulyThe
R
. |- |style="text-align: right;"|1944||17 June||Iceland
.194417 JuneIceland
R
. |- |style="text-align: right;"|1946||||
.1946
R
. |- |style="text-align: right;"|1948||||
.1948
R
. |- |rowspan="2" style="text-align: right;"|1949||30 March||Riots
.194930 MarchRiots
R
. |- |4 April||Iceland
.4 AprilIceland
R
. |- |style="text-align: right;"|1951||||
.1951
R
. |- |style="text-align: right;"|1952||1 August||Exclusive
.19521 AugustExclusive
R
. |- |style="text-align: right;"|1958||||
.1958
R
. |- |style="text-align: right;"|1963||14 November||Volcanic
.196314 NovemberVolcanic
R
. |- |style="text-align: right;"|1966||30 September||The
.196630 SeptemberThe
R
. |- |style="text-align: right;"|1968||1 August||Kristján
.19681 AugustKristján
R
. |- |style="text-align: right;"|1970||1 January||Iceland
.19701 JanuaryIceland
R
. |- |style="text-align: right;"|1972||||
.1972
R
. |- |style="text-align: right;"|1973||23 January||Volcanic
.197323 JanuaryVolcanic
R
. |- |style="text-align: right;"|1975||||
.1975
R
. |- |style="text-align: right;"|1980||1 August||Vigdís
.19801 AugustVigdís
R
. |- |style="text-align: right;"|1994||1 January||Iceland
.19941 JanuaryIceland
R
. |- |style="text-align: right;"|1996||1 August||Ólafur
.19961 AugustÓlafur
D
|