Austria called attention to Serbia's March 1909 declaration committing to the Great Powers to respect Austria-Hungary's sovereignty over Bosnia-Herzegovina and committing Serbia to maintain good neighborly relations with Austria-Hungary.

France insisted on its ownership of Clipperton, and a lengthy diplomatic correspondence between the two nations led to the conclusion of a treaty on March 2, 1909, to seek the arbitration of King Victor Emmanuel III of Italy, with each nation promising to abide by that monarch's final determination.

The Oxford English Dictionary records the first use of the phrase " conspiracy theory " to a 1909 article in The American Historical Review .< ref >" conspiracy ", Oxford English Dictionary, Second edition, 1989 ; online version March 2012.

Cyril Northcote Parkinson ( 30 July 1909 – 9 March 1993 ) was a British naval historian and author of some sixty books, the most famous of which was his bestseller Parkinson's Law, which led him to be also considered as an important scholar within the field of public administration.

William Jan Berry ( born in Los Angeles, California April 3, 1941 ; died March 26, 2004 ), was the son of aeronautical engineer William L. Berry ( born December 7, 1909 in The Bronx, NY ; died December 19, 2004 in Camarillo, California ), who had been project manager of the " Spruce Goose " and flew on its only flight with Howard Hughes, and Clara Lorentze Mustad Berry ( born September 2, 1919 in Bergen, Norway ; died July 9, 2009 ).

On 24 March 1909, he had taken the Admiralty-based appointment of naval assistant to the Second Sea Lord which placed him conveniently in London.

In March 1909, shortly after the end of his presidency, Roosevelt left New York for a safari in east and central Africa.

* barque-rigged screw sloop ( 16 March 1877 – 1 October 1909 ), the fifth ship to bear this name

William Howard Taft ( September 15, 1857 – March 8, 1930 ) was the 27th President of the United States ( 1909 – 1913 ) and later the tenth Chief Justice of the United States ( 1921 – 1930 ).

* March 15 – Ann Sothern, American actress ( b. 1909 )

* March 21 – Pinky Higgins, American baseball player and manager ( b. 1909 )

* March 27 – Ferdinand Anton Ernst Porsche, Austrian auto designer and businessman ( b. 1909 )

* March 15 – Lester Young, American jazz saxophonist ( b. 1909 )

* March 3 – Robert Beatty, Canadian actor ( b. 1909 )

* March 28 – Nikolaos Platon, Greek archaeologist ( b. 1909 )

* March 1 – Edwin H. Land, inventor of the Polaroid instant camera ( b. 1909 )

* March 21 – Leo Fender, American instrument maker ( b. 1909 )

* March 21 – Milton Frome, American actor ( b. 1909 )

* March 6 – Henry Radcliffe Crocker, British dermatologist ( d. 1909 )

* March 12 – Simon Newcomb, Canadian-American Astronomer ( d. 1909 )

* March 20 – Juliana, Queen regnant of the Netherlands ( 1948-1980 ) ( b. 1909 )

28, March, 1909, pp. 665-736.

: Date of birth: 21 March 1909

# Caroline Emilia Mary Herschel ( 31 March 1830 – 29 Jan 1909 ), who married Alexander Hamilton-Gordon

For the latter Bulgaria had a secret agreement with Serbia to divide it between them signed at 13 March 1912 during the negotiations that led to the establishment of the Balkan League.

With the initial encouragement of Russian agents, a series of agreements was concluded between Serbia and Bulgaria in March 1912.

On March 14, 2002, an agreement was signed to transform the FRY into a loose state union called Serbia and Montenegro ; it took effect on February 4, 2003.

In late March 2009, the Guinean ambassador to Serbia faced expulsion for personal involvement in cigarette smuggling ( 1, 000 packs of cigarettes were found in his BMW ) but avoided arrest due to diplomatic immunity ( although he was declared as persona non grata ).

* March 23 – 28 – The Socialist Republic of Serbia passes constitutional changes revoking the autonomy of the Socialist Autonomous Province of Kosovo, triggering six days of rioting by the Albanian minority, during which at least 29 people were killed.

Full titulature Albert possessed went as follows: Albert, by the grace of God elected King of the Romans, always August, King of Hungary, Dalmatia, Croatia, Rama, Serbia, Galicia, Lodomeria, Cumania and Bulgaria, elected King of Bohemia, duke of Austria, Styria, Carinthia and Carniola, margrave of Moravia, Lord of the Wendish March and Port Naon, Count of Habsburg, Tyrol, Ferrete and Kyburg, etc.

* March 12 – King Stefan Dragutin of Serbia

* In Serbia, Albanian gunmen go silently to work, The Independent, 2 March 2000

* A War Waiting to Happen: Clashes between Serbs and ethnic Albanians in southern Serbia threaten to ignite a fresh conflict, TIME, March 13, 2000

Arkan grew up in the 27th March Street, in Belgrade, SR Serbia with three older sisters in a strict, militaristic household with beatings administered by his father being a regular occurrence.

These conflicts included a customs dispute with Austria-Hungary beginning in 1906 ( commonly referred to as the " Pig War "), the Bosnian crisis of 1908 – 1909 in which Serbia assumed an attitude of protest over Austria-Hungary's annexation of Bosnia-Herzegovina ( ending in Serbian acquiescence without compensation in March 1909 ), and finally the two Balkan Wars of 1912 – 1913 in which Serbia conquered Macedonia and Kosovo from the Ottoman Empire.

The 509th Bomb Wing first flew the B-2 in combat against Serbia in March 1999.

; Lord of Trieste, Kotor and the Windic March, Grand Voivod of the Voivodeship of Serbia etc.

Burke celebrated his 70th birthday in March 2010 and toured Japan for the first time in May 2010, before his " Year of the Dream Love Tour " across Europe in July and August 2010, including dates in Spain, Italy, England, Germany, Norway, Belgium, Serbia, Bulgaria, and Switzerland.

* March 12 PM of Serbia Zoran Đinđić assassinated.

* March 12 Zoran Đinđić prime minister of Serbia

Under Russian influence, Serbia and Bulgaria settled their differences and signed an alliance, originally directed against Austria-Hungary on 13 March 1912, but by adding a secret chapter to it essentially redirected the alliance against the Ottoman Empire.

Zoran Đinđić (, ; 1 August 1952 – 12 March 2003 ) was a Serbian politician who was the Prime Minister of Serbia from 2001 until his assassination in 2003.

Stephen Dragutin (, Stefan Dragutin ; died March 12, 1316 ) was a 13th and 14th-century Serb monarch, the King of Serbia from 1276 to 1282 and King of Syrmia ( Srem ) from 1282 to 1316.

From November 1918 to March 1919, western and central parts of Banat were governed by Serbian administration from Novi Sad, as part of the Banat, Bačka and Baranja province of the Kingdom of Serbia and newly formed Kingdom of Serbs, Croats and Slovenes ( which was later renamed to Yugoslavia ).

The first postwar treaty, the abortive Treaty of San Stefano signed on March 3, 1878, assigned Albanian-populated lands to Serbia, Montenegro, and Bulgaria.

Serbia, Montenegro, Greece, and Bulgaria had all been in talks about possible offensives against the Ottoman Empire before the Albanian revolt of 1912 broke out ; a formal agreement between Serbia and Montenegro had been signed on 7 March.