Convert Dates

Welcome to Convert-Dates.com

This website calculates the duration, which is the day count and the number of days, months and years between two dates. Among other things, it can be used to find how many days old you are and the weekday you were born.

Days From Date Calculator

This site provides an online "Days From Date" calculator to help you find the date that occurs exactly X days from a particular date. You can also enter a negative number to find out when X days before that date happened to fall. You can use this tool to figure out a deadline if you have a certain number of days remaining. Or read the full page to learn more about the due date if you're counting business days or weekdays only, skipping Saturday and Sunday.

Days Before Date Calculator

This site provides an online "Days Before Date" calculator to help you find the date that occurs exactly X days before a particular date. You can also enter a negative number to find out when X days before that date happened to fall. You can use this tool to figure out a deadline if you have a certain number of days remaining. Or read the full page to learn more about the due date if you're counting business days or weekdays only, skipping Saturday and Sunday.

Date Range Calculator

Simply enter the start and end date to calculate the duration of any event. You can also use this tool to determine how many days have passed since your birthday, or measure the amount of time until your baby's due date.

Day in history for October 18

• October 18, 2007

  1. Karachi bombing: A suicide attack on a motorcade carrying former Pakistani Prime Minister Benazir Bhutto kills 139 and wounds 450 more. Bhutto herself was uninjured.

     2007 Karachi bombing, Prime Minister of Pakistan, Benazir Bhutto

• October 18, 2003

  1. Bolivian gas conflict: Bolivian President Gonzalo Sánchez de Lozada, is forced to resign and leave Bolivia.

     Bolivian gas conflict, Bolivia, Gonzalo Sánchez de Lozada

• October 18, 1991

  1. The Supreme Council of Azerbaijan adopts a declaration of independence from the Soviet Union.

     Azerbaijan, Soviet Union

• October 18, 1979

  1. The Federal Communications Commission (FCC) begins allowing people to have home satellite earth stations without a federal government license.

     Federal Communications Commission (FCC), Satellite television

• October 18, 1977

  1. German Autumn: a set of events revolving around the kidnapping of Hanns Martin Schleyer and the hijacking of a Lufthansa flight by the Red Army Faction (RAF) comes to an end when Schleyer is murdered and various RAF members allegedly commit suicide.

     German Autumn, Hanns Martin Schleyer, Aircraft hijacking, Lufthansa, Red Army Faction

• October 18, 1967

  1. The Soviet probe Venera 4 reaches Venus and becomes the first spacecraft to measure the atmosphere of another planet.

     Soviet Union, Venera 4, Venus

• October 18, 1963

  1. Félicette, a black and white female Parisian stray cat becomes the first cat launched into space.

     Félicette

• October 18, 1954

  1. Texas Instruments announces the first transistor radio.

     Texas Instruments, Transistor radio

• October 18, 1951

  1. The Studio for Electronic Music was established at the West German Broadcasting facility in Cologne, Germany, making the first modern music studio.

     Studio for Electronic Music (WDR), Cologne, Germany

• October 18, 1945

  1. The USSR's nuclear program receives plans for the United States plutonium bomb from Klaus Fuchs at the Los Alamos National Laboratory.

     Soviet Union, Nuclear weapon, Klaus Fuchs, Los Alamos National Laboratory

  2. A group of the Venezuelan Armed Forces, led by Mario Vargas, Marcos Pérez Jiménez and Carlos Delgado Chalbaud, stages a coup d'état against president Isaías Medina Angarita, who is overthrown by the end of the day.

     Venezuela, Marcos Pérez Jiménez, Carlos Delgado Chalbaud, 1945 Venezuelan coup d'état, Isaías Medina Angarita

  3. Argentine military officer and politician Juan Perón marries actress Eva Duarte.

     Argentina, Juan Perón, Eva Perón

• October 18, 1944

  1. World War II: Soviet Union begins the liberation of Czechoslovakia from Nazi Germany.

     Soviet Union, Czechoslovakia, Nazi Germany

  2. World War II: The state funeral of Field Marshal Erwin Rommel takes place in Ulm, Germany.

     Erwin Rommel

• October 18, 1929

  1. The Judicial Committee of the Privy Council overrules the Supreme Court of Canada in Edwards v. Canada when it declares that women are considered "Persons" under Canadian law.

     Judicial Committee of the Privy Council, Supreme Court of Canada, Edwards v Canada (AG), Canadian law

• October 18, 1922

  1. The British Broadcasting Company (later Corporation) is founded by a consortium, to establish a nationwide network of radio transmitters to provide a national broadcasting service.

     British Broadcasting Company, Consortium, Radio transmitter, Broadcasting

• October 18, 1921

  1. The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.

     Crimean Autonomous Soviet Socialist Republic

• October 18, 1914

  1. The Schoenstatt Movement is founded in Germany.

     Schoenstatt Movement, German Empire

• October 18, 1912

  1. First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.

     First Balkan War, Peter I of Serbia

• October 18, 1898

  1. The United States takes possession of Puerto Rico from Spain.

     Puerto Rico

• October 18, 1867

  1. United States takes possession of Alaska after purchasing it from Russia for $7.2 million. Celebrated annually in the state as Alaska Day.

     Alaska Purchase, Russian Empire, Alaska Day

• October 18, 1860

  1. The Second Opium War finally ends at the Convention of Peking with the ratification of the Treaty of Tientsin, an unequal treaty.

     Second Opium War, Convention of Peking, Treaty of Tientsin, Unequal treaty

• October 18, 1851

  1. Herman Melville's Moby-Dick is first published as The Whale by Richard Bentley of London.

     Herman Melville, Moby-Dick, Richard Bentley (publisher)

• October 18, 1797

  1. Treaty of Campo Formio is signed between France and Austria

     Treaty of Campo Formio

• October 18, 1779

  1. American Revolutionary War: The Franco-American Siege of Savannah is lifted.

     Siege of Savannah

• October 18, 1775

  1. African-American poet Phillis Wheatley is freed from slavery.

     African-American, Phillis Wheatley

  2. American Revolutionary War: The Burning of Falmouth (now Portland, Maine).

     American Revolutionary War, Burning of Falmouth, Portland, Maine

• October 18, 1748

  1. Signing of the Treaty of Aix-la-Chapelle ends the War of the Austrian Succession.

     Treaty of Aix-la-Chapelle (1748), War of the Austrian Succession

• October 18, 1648

  1. Boston Shoemakers form first American labor organization.

     Trade union

• October 18, 1599

  1. Michael the Brave, Prince of Wallachia, defeats the Army of Andrew Báthory in the Battle of Șelimbăr, leading to the first recorded unification of the Romanian people.

     Michael the Brave, Wallachia, Andrew Báthory, Battle of Șelimbăr

• October 18, 1565

  1. Ships belonging to the Matsura clan of Japan fail to capture the Portuguese trading carrack in the Battle of Fukuda Bay, the first recorded naval battle between Japan and the West.

     Carrack, Battle of Fukuda Bay

• October 18, 1561

  1. In Japan the fourth Battle of Kawanakajima was fought between the forces of Uesugi Kenshin and Takeda Shingen; resulting in a draw.

     Japan, Battle of Kawanakajima, Uesugi Kenshin, Takeda Shingen

• October 18, 1540

  1. Spanish conquistador Hernando de Soto's forces destroy the fortified town of Mabila in present-day Alabama, killing Tuskaloosa.

     Hernando de Soto, Mabila, Alabama, Tuskaloosa

• October 18, 1356

  1. Basel earthquake, the most significant historic seismological event north of the Alps, destroys the town of Basel, Switzerland.

     1356 Basel earthquake, Basel

• October 18, 1081

  1. The Normans defeat the Byzantine Empire in the Battle of Dyrrhachium.

     Normans, Byzantine Empire, Battle of Dyrrhachium (1081)

• October 18, 1016

  1. The Danes defeat the English in the Battle of Assandun.

     Danes, England, Battle of Assandun

• October 18, 1009

  1. The Church of the Holy Sepulchre, a Christian church in Jerusalem, is completely destroyed by the Fatimid caliph Al-Hakim bi-Amr Allah, who hacks the Church's foundations down to bedrock.

     Church of the Holy Sepulchre, Jerusalem, Fatimid caliph, Al-Hakim bi-Amr Allah, Bedrock

• October 18, 0629

  1. Dagobert I is crowned King of the Franks.

     Dagobert I, King of the Franks

• October 18, 0614

  1. King Chlothar II promulgates the Edict of Paris (Edictum Chlotacharii), a sort of Frankish Magna Carta that defend the rights of the Frankish nobles while it excludes Jews from all civil employment in the Frankish Kingdom.

     Chlothar II, Edict of Paris, Magna Carta, Franks, Antisemitism, Francia

• October 18, 0320

  1. Pappus of Alexandria, Greek philosopher, observes an eclipse of the Sun and writes a commentary on The Great Astronomer (Almagest).

     Pappus of Alexandria, Eclipse of the Sun, Almagest

Day in history for October 18

• October 18, 2007

  1. Karachi bombing: A suicide attack on a motorcade carrying former Pakistani Prime Minister Benazir Bhutto kills 139 and wounds 450 more. Bhutto herself was uninjured.

     2007 Karachi bombing, Prime Minister of Pakistan, Benazir Bhutto

• October 18, 2003

  1. Bolivian gas conflict: Bolivian President Gonzalo Sánchez de Lozada, is forced to resign and leave Bolivia.

     Bolivian gas conflict, Bolivia, Gonzalo Sánchez de Lozada

• October 18, 1991

  1. The Supreme Council of Azerbaijan adopts a declaration of independence from the Soviet Union.

     Azerbaijan, Soviet Union

• October 18, 1979

  1. The Federal Communications Commission (FCC) begins allowing people to have home satellite earth stations without a federal government license.

     Federal Communications Commission (FCC), Satellite television

• October 18, 1977

  1. German Autumn: a set of events revolving around the kidnapping of Hanns Martin Schleyer and the hijacking of a Lufthansa flight by the Red Army Faction (RAF) comes to an end when Schleyer is murdered and various RAF members allegedly commit suicide.

     German Autumn, Hanns Martin Schleyer, Aircraft hijacking, Lufthansa, Red Army Faction

• October 18, 1967

  1. The Soviet probe Venera 4 reaches Venus and becomes the first spacecraft to measure the atmosphere of another planet.

     Soviet Union, Venera 4, Venus

• October 18, 1963

  1. Félicette, a black and white female Parisian stray cat becomes the first cat launched into space.

     Félicette

• October 18, 1954

  1. Texas Instruments announces the first transistor radio.

     Texas Instruments, Transistor radio

• October 18, 1951

  1. The Studio for Electronic Music was established at the West German Broadcasting facility in Cologne, Germany, making the first modern music studio.

     Studio for Electronic Music (WDR), Cologne, Germany

• October 18, 1945

  1. The USSR's nuclear program receives plans for the United States plutonium bomb from Klaus Fuchs at the Los Alamos National Laboratory.

     Soviet Union, Nuclear weapon, Klaus Fuchs, Los Alamos National Laboratory

  2. A group of the Venezuelan Armed Forces, led by Mario Vargas, Marcos Pérez Jiménez and Carlos Delgado Chalbaud, stages a coup d'état against president Isaías Medina Angarita, who is overthrown by the end of the day.

     Venezuela, Marcos Pérez Jiménez, Carlos Delgado Chalbaud, 1945 Venezuelan coup d'état, Isaías Medina Angarita

  3. Argentine military officer and politician Juan Perón marries actress Eva Duarte.

     Argentina, Juan Perón, Eva Perón

• October 18, 1944

  1. World War II: Soviet Union begins the liberation of Czechoslovakia from Nazi Germany.

     Soviet Union, Czechoslovakia, Nazi Germany

  2. World War II: The state funeral of Field Marshal Erwin Rommel takes place in Ulm, Germany.

     Erwin Rommel

• October 18, 1929

  1. The Judicial Committee of the Privy Council overrules the Supreme Court of Canada in Edwards v. Canada when it declares that women are considered "Persons" under Canadian law.

     Judicial Committee of the Privy Council, Supreme Court of Canada, Edwards v Canada (AG), Canadian law

• October 18, 1922

  1. The British Broadcasting Company (later Corporation) is founded by a consortium, to establish a nationwide network of radio transmitters to provide a national broadcasting service.

     British Broadcasting Company, Consortium, Radio transmitter, Broadcasting

• October 18, 1921

  1. The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.

     Crimean Autonomous Soviet Socialist Republic

• October 18, 1914

  1. The Schoenstatt Movement is founded in Germany.

     Schoenstatt Movement, German Empire

• October 18, 1912

  1. First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.

     First Balkan War, Peter I of Serbia

• October 18, 1898

  1. The United States takes possession of Puerto Rico from Spain.

     Puerto Rico

• October 18, 1867

  1. United States takes possession of Alaska after purchasing it from Russia for $7.2 million. Celebrated annually in the state as Alaska Day.

     Alaska Purchase, Russian Empire, Alaska Day

• October 18, 1860

  1. The Second Opium War finally ends at the Convention of Peking with the ratification of the Treaty of Tientsin, an unequal treaty.

     Second Opium War, Convention of Peking, Treaty of Tientsin, Unequal treaty

• October 18, 1851

  1. Herman Melville's Moby-Dick is first published as The Whale by Richard Bentley of London.

     Herman Melville, Moby-Dick, Richard Bentley (publisher)

• October 18, 1797

  1. Treaty of Campo Formio is signed between France and Austria

     Treaty of Campo Formio

• October 18, 1779

  1. American Revolutionary War: The Franco-American Siege of Savannah is lifted.

     Siege of Savannah

• October 18, 1775

  1. African-American poet Phillis Wheatley is freed from slavery.

     African-American, Phillis Wheatley

  2. American Revolutionary War: The Burning of Falmouth (now Portland, Maine).

     American Revolutionary War, Burning of Falmouth, Portland, Maine

• October 18, 1748

  1. Signing of the Treaty of Aix-la-Chapelle ends the War of the Austrian Succession.

     Treaty of Aix-la-Chapelle (1748), War of the Austrian Succession

• October 18, 1648

  1. Boston Shoemakers form first American labor organization.

     Trade union

• October 18, 1599

  1. Michael the Brave, Prince of Wallachia, defeats the Army of Andrew Báthory in the Battle of Șelimbăr, leading to the first recorded unification of the Romanian people.

     Michael the Brave, Wallachia, Andrew Báthory, Battle of Șelimbăr

• October 18, 1565

  1. Ships belonging to the Matsura clan of Japan fail to capture the Portuguese trading carrack in the Battle of Fukuda Bay, the first recorded naval battle between Japan and the West.

     Carrack, Battle of Fukuda Bay

• October 18, 1561

  1. In Japan the fourth Battle of Kawanakajima was fought between the forces of Uesugi Kenshin and Takeda Shingen; resulting in a draw.

     Japan, Battle of Kawanakajima, Uesugi Kenshin, Takeda Shingen

• October 18, 1540

  1. Spanish conquistador Hernando de Soto's forces destroy the fortified town of Mabila in present-day Alabama, killing Tuskaloosa.

     Hernando de Soto, Mabila, Alabama, Tuskaloosa

• October 18, 1356

  1. Basel earthquake, the most significant historic seismological event north of the Alps, destroys the town of Basel, Switzerland.

     1356 Basel earthquake, Basel

• October 18, 1081

  1. The Normans defeat the Byzantine Empire in the Battle of Dyrrhachium.

     Normans, Byzantine Empire, Battle of Dyrrhachium (1081)

• October 18, 1016

  1. The Danes defeat the English in the Battle of Assandun.

     Danes, England, Battle of Assandun

• October 18, 1009

  1. The Church of the Holy Sepulchre, a Christian church in Jerusalem, is completely destroyed by the Fatimid caliph Al-Hakim bi-Amr Allah, who hacks the Church's foundations down to bedrock.

     Church of the Holy Sepulchre, Jerusalem, Fatimid caliph, Al-Hakim bi-Amr Allah, Bedrock

• October 18, 0629

  1. Dagobert I is crowned King of the Franks.

     Dagobert I, King of the Franks

• October 18, 0614

  1. King Chlothar II promulgates the Edict of Paris (Edictum Chlotacharii), a sort of Frankish Magna Carta that defend the rights of the Frankish nobles while it excludes Jews from all civil employment in the Frankish Kingdom.

     Chlothar II, Edict of Paris, Magna Carta, Franks, Antisemitism, Francia

• October 18, 0320

  1. Pappus of Alexandria, Greek philosopher, observes an eclipse of the Sun and writes a commentary on The Great Astronomer (Almagest).

     Pappus of Alexandria, Eclipse of the Sun, Almagest