The following is a timeline of the history of the city of Budapest, Hungary.

Before 16th century

BCE. - Neolithic, Chalcolithic-, Bronze and Iron Age cultures, Celtic and Eravisci settlements on present day Budapest.

1st C. CE - Romans found the settlements known as Aquincum, Contra-Aquincum and Campona. Aquincum becomes the largest town of the Danubian region and one of the capitals of Pannonia. 376 CE - Aquincum invaded by the Huns. 5th C. - The Age of Huns. King Attila builds a city for himself here according to later chronicles. After his death, the sons of his brother controlled the united Hun tribes. 896 - Following the foundation of Hungary, Árpád, leader of the Hungarians, settles in the "Town of Attila", usually identified as Aquincum. 10th C. - Out of the seven to ten Hungarian tribes, four have settlements in the territory of modern Budapest: Megyer, Keszi, Jenő and Nyék. end of 10th C. - Magyars came into the country and preserved the names of Buda and Pest. 1015 - Matthias Church established (approximate date). 1046 - Bishop Gerard of Csanád dies at the hands of pagans on present-day Gellért Hill. 1241 - Mongol invasion destroys both towns. 1244 - Created a royal free city by Bela IV. 1248 - King Béla IV builds the first royal castle on Castle Hill, Buda. The new town adopts the name of Buda from the earlier one (present day Óbuda). Pest is surrounded by city walls. 1255 - Matthias Church reconstruction begins. 1265 - Buda Castle first completed. 1270 - Saint Margaret of Hungary dies in a cloister on the Isle of Rabbits (present day Margaret Island). 1320 - Royal wedding of King Charles I of Hungary and Princess Elizabeth of Poland, Hungarian–Polish alliance formed. 1361 - Buda became the capital of Hungary. 1458 - The noblemen of Hungary elect Matthias Corvinus (in Latin) or Hunyadi Mátyás (in Hungarian) as king on the ice of the Danube. Under his reign Buda becomes a main hub of European Renaissance. He dies in 1490, after capturing Vienna in 1485. 1472 - Printing press established in Buda.

16th to 18th centuries 1526 - 26 November: Buda taken by forces of Ottman Suleyman. 1530 - Siege of Buda (1530). 1540 - . 1541 Siege of Buda (1541). Buda becomes part of the Ottoman Empire. The Turkish Pashas build multiple mosques and baths in Buda. Budin Eyalet established. 1542 - Siege of Pest. 1550 - Rudas Baths built. 1566 - Sokollu Mustafa Pasha becomes .

1602 - An unsuccessful assault on Budapest under Field Marshal Hermann Christof von Russwurm (2 October - 15 November 1602).Ferenc Szakály, "The Early Ottoman Period, Including Royal Hungary, 1526-1606", in A History of Hungary, edited by Peter F. Sugar, Péter Hanák, Tibor Frank (Indiana University Press, 1994), p. 97: "In both 1602 and 1603, imperial troops under general Hermann Russwurm tried unsuccessfully to attack Buda." 1686 - Battle of Buda (1686). Buda and Pest are reconquered from the Turks with Habsburg leadership. Both towns are destroyed completely in the battles. 1690s - Resettlement, initially only a few hundred German settlers. 1699 - By the Treaty of Karlowitz the emperor of Austria undertook to preserve a small octagonal Turkish mosque beneath which is the grave of a Turkish monk. 1723 - Pest became the seat of the highest Hungarian officials. 1769 - Buda Castle reconstruction completed. 1771 - Citadel built in Buda. 1773 - Election of the first Mayor of Pest. 1777 - Maria Theresa of Austria moves Nagyszombat University to Castle Hill in Buda. 1783 - Joseph II places the acting government (Helytartótanács) and Magyar Kamara on Buda. 1795 - 20 May - Ignác Martinovics and other Jacobin leaders are executed on Vérmező or 'The Field of Blood'. 1799 - Combined population: 54,179.

19th century

1810 - A fire in the Tabán district. 1811 - City Park laid out in Pest. 1823 - Fasori Gimnázium (school) founded. 1825 - Commencement of the Reform Era. Pest becomes the cultural and economic centre of the country. The first National Theatre is built, along with the Hungarian National Museum. 1830 - Steamboat to Vienna begins operating. 1833 - Vigadó Concert Hall opens in Pest. 1836 - founded. 1838 - . The biggest flood in recent memory in March completely inundates Pest. 1839 - Industrial flour mill begins operating. 1844 - Ganz Works iron foundry in business in Buda. 1846 - Vác-Budapest railway begins operating. 1848 - 15 March - Start of the Revolution and War of Independence of 1848-49. Pest replaces Pozsony/Pressburg (Bratislava) as the new capital of Hungary and seat of the Batthyány government and the Parliament. 1849 5 January: Austrians occupy the city. April: Hungarian Honvédsereg (Army of National Defense) reclaims city, taking the fortress of Buda on May 21 after an 18-day Battle of Buda (1849). July: Habsburg army again captures the two towns. 6 October - Lajos Batthyány, the first Hungarian Prime Minister is executed on the present-day Szabadság tér. Széchenyi Lánchíd, or Széchenyi Chain Bridge, the first permanent bridge across the Danube in Budapest was opened linking Buda (West bank) and Pest (East bank).

1851 - Leopoldstadt Basilica, a Romanesque building begun. 1853 - Budapest Philharmonic Orchestra founded. 1857 - Pest Academy of Commerce founded. 1859 - Dohány Street Synagogue consecrated in Pest. 1860 - Raitzenbad (bath) rebuilt. 1864 - Vigadó Concert Hall built. 1865 Esterhazy Gallery of art established. Hungarian Academy of Sciences building constructed in Pest. University of Theatre and Film Arts in Budapest established. 1867 8 June: Coronation of Franz Joseph as King of Hungary. Austro-Hungarian Compromise of 1867, followed by unprecedented civic development, resulting in the style of present-day Budapest. Budapesti Közlöny government newspaper headquartered in Pest. 1868 Municipal council established in Pest. humor magazine headquartered in Pest. Leopold Basilica built in Pest. 1869 restaurant in business. Margaret Island park opens. Geological Museum of Budapest established. Combined population: 270,685. 1870 (metro planning entity) established. Zagreb-Budapest railway begins operating. Café Gerbeaud moves to Régi Színház Square. 1872 Military academy built in Pest. Rumbach Street Synagogue built.

1873–1900

1873 17 November: The former cities: Pest, Buda and Óbuda are united, and with that the Hungarian capital is established with the name of Budapest. becomes Mayor of Budapest Coat of arms of Budapest design adopted. (about Berlin, Budapest, Prague, Warsaw) Budapesti Szemle scholarly journal headquartered in city. 1874 Budapest Cog-wheel Railway service is inaugurated. Customhouse built. newspaper headquartered in city. 1875 26 June: Storm. Liszt Academy of Music founded. 1876 Andrássy Avenue opens. Margaret Bridge built. 1877 Budapest-Nyugati Railway Terminal opens. founded. 1878 Electric public lighting installed in the city centre. newspaper in publication. humor magazine begins publication. 1880 - Combined population: 360,551. 1881 Budapesti Hírlap newspaper begins publication. Population: 370,767 (75,794 in Buda + 294,973 in Pest).

1884 Budapest Keleti railway station opens. Hungarian State Opera House opens. 1885 Dobos torte (cake) introduced. 16 June: Újpest FC football club founded. 1886 Budapest Opera Ball begins. Manfred Weiss Ammunition Factory begins operating near city. 1887 - the first Electric tram begins operating. 1888 - MTK Budapest FC football club founded. 1891 - Population: 491,938. 1892 - Cholera epidemic. 1893 Electric power plant built. Electrification of Budapest finished. 1894 March: Funeral of Lajos Kossuth. Aquincum Museum and New York Café open. (art society) founded. Wampetics (later Gundel) restaurant in business New York Palace Hotel opens.

1895 January: Budapest hosts the 1895 European Figure Skating Championships. Hall of Art, Budapest built. 1896 Budapest Metro begins operating. . That’s how the thousand-year-old Hungary celebrated MaNDA Hungarian National Digital Archive

Franz Joseph Bridge, Grand Boulevard, and Museum of Applied Arts built. 1899 Hungarian Transportation Museum opens. active. Institute of Geology built. 3 May: Ferencvárosi TC football club founded. 1900 Heroes' Square constructed, with its . Population: 732,222.

20th century

1901–1945 1901 21 December: Economic unrest. Postal Savings Bank built. founded near city. 1902 Hungarian Parliament Building construction completed. Fortuna cinema opens. 1903 built. Elisabeth Bridge and Varosliget Picture House open. 1904 - Thalia Theatre opens. 1905 Museum of Fine Arts built. St. Stephen's Basilica reconstruction completed. 1906 István Bárczy becomes mayor. Gresham Palace built. 1908 - Nyugat literary magazine begins publication. 1909 January: Budapest hosts the 1909 European Figure Skating Championships and co-hosts the 1909 World Figure Skating Championships. Athletic Club of Kispest established. Endre Nagy cabaret active. 1909–1910 - Electric public lighting expanded to the suburbs, the nearby towns villages had Electric public lighting.

1910 Population: The census finds 880,000 people in Budapest and 55,000 in the largest suburb of Újpest (now part of Budapest).Történelmi Magyarország atlasza és adattára 1914, Budapest, 2001 1911 - Budapest hosts the 1911 European Wrestling Championships. 1913 - Bozsik Stadion (stadium) built. 1915 - A Tett cultural magazine begins publication. 1916 - Helios cinema and Magyar Zsidó Museum open. 1918 31 October: Socialist Aster Revolution begins. Revolution and the 133 days of the Hungarian Republic of Councils (March–August 1919) under the leadership of Béla Kun. It is the first Communist government to be formed in Europe after the October Revolution in Russia. 1919 21 March: City becomes capital of the Hungarian Soviet Republic. 6 August: French-supported Romanian forces enter city. The Communist government collapsed and its leaders fled. In retaliation for the Red Terror, reactionary crews now exacted revenge in a two-year wave of violent repression known today as the White Terror. 1 November: Budapest becomes capital of the Hungarian Democratic Republic, established by Mihály Károlyi. 14 November: Romanian occupation ends. 16 November: Miklós Horthy and National Army enter Budapest; regency government established in 1920. 1920 - Corvinus University of Budapest founded. 1921 newspaper begins publication. Population: 1,184,616. 18 December: 1921 Hungary v Poland football match. 1924 - Hungarian National Bank is founded. 1925 - Hungarian Radio commences broadcasting. 1926 (shop) in business on . Forum Cinema active. 1929 - Budapest co-hosts the 1929 World Figure Skating Championships. 1930 - Population: 1,442,869. 1933 Disassembly of the Tabán commences. April: National Socialist demonstrations. August: Budapest hosts the 1933 European Rowing Championships. Budapest hosts the 1933 World Fencing Championships. 1934 Józef Bem monument unveiled. MAFC basketball team founded. 1935 February: Budapest co-hosts the 1935 World Figure Skating Championships. August: Budapest hosts the 1935 International University Games. 1937 - Petőfi Bridge built. 1938 active. Barlang cinema opens. 1939 - 24 May: Polish Institute in Budapest opened (see also Hungary–Poland relations). 1944 19 March - German forces occupy Budapest. At the time of the occupation, there were 184,000 Jews and between 65,000 and 80,000 Christians of Jewish descent in the town. The Arrow Cross collaborated with the Germans in murdering Jews. Fewer than half of Budapest's Jews (approximately 119,000) survived the following 11 months. 19 March: Polish Institute in Budapest closed following German occupation. 3 November: Budapest Offensive by Soviet forces begins. 26 December: Siege of Budapest begins. 1945