* May 26 – Simon Petlyura, Ukrainian independence fighter ( b. 1879 )

* May 21 – Georgiy R. Gongadze, Ukrainian journalist ( d. 2000 )

* May 9 – WWII: In the Ukrainian city of Sevastopol, Soviet troops completely drive out German forces, who had been ordered by Hitler to “ fight to the last man .”

* May 13 – Sholom Aleichem, Ukrainian Yiddish writer ( b. 1859 )

* May 26 – Pylyp Orlyk, Ukrainian Zaporozhian Cossack starshina, diplomat ( b. 1672 )

* May 17 – Simon Petlyura, Ukrainian independence fighter ( d. 1926 )

* May 13 – Valeri Lobanovsky, Ukrainian football manager ( b. 1939 )

The Russian and Ukrainian influence can also be heard in two works for solo piano from 1912, Nocturne – May Night in the Ukraine and Gopak ( Russian dance ).

Then-opposition leader and former Ukrainian Prime Minister Yulia Tymoshenko caused a stir by publishing an article entitled " Containing Russia " in the May – June 2007 issue of Foreign Affairs accusing Russia under Vladimir Putin of expansionism and urging the rest of Europe to stand against him.

* May 4-Nikolai Malko, Ukrainian conductor

* May 3 – Due to air traffic control errors, a Tupolev Tu-134 operating as Aeroflot Flight SSSR-65856 with 79 people on board and a Soviet Air Forces Antonov An-26 with 15 people on board collide at 13, 000 feet ( 3, 962 m ) near Zolochev in the Soviet Unions Ukrainian Soviet Socialist Republic, killing all 94 people on board the two planes.

Stephen P. Timoshenko (,, December 22, 1878 – May 29, 1972 ), was a Ukrainian American engineer who is reputed to be the father of modern engineering mechanics.

The Encyclopædia Britannica begins its article with the date range 1919 – 1920 but then states, " Although there had been hostilities between the two countries during 1919, the conflict began when the Polish head of state Józef Pilsudski formed an alliance with the Ukrainian nationalist leader Symon Petlyura ( 21 April 1920 ) and their combined forces began to overrun Ukraine, occupying Kiev on 7 May.

Subsequently, the combined Polish – Ukrainian forces entered an abandoned Kiev on 7 May, encountering only token resistance.

Symon Vasylyovych Petliura (; ; also known as Simon Petlura, Symon Petlura, or Symon Petlyura, May 10, 1879 – May 25, 1926 ) was a publicist, writer, journalist, Ukrainian politician, statesman, and national leader who led Ukraine's struggle for independence following the Russian Revolution of 1917.

From 1912 he was a co-editor of the influential Russian-language journal Ukrainskaya zhizn ’ ( Ukrainian life ) until May 1917.

Petliura attended the first All-Ukrainian Army Congress held in Kiev in May 1917 as a delegate, where he was elected head of the Ukrainian General Army Committee on May 18.

The Ukrainian state promised Jews full equality and autonomy, and Arnold Margolin, a Jewish minister in Petliura's government, declared in May 1919 that the Ukrainian government had given Jews more rights than they enjoyed in any other European government.

On May 25, 1943, the commander of the Soviet partisan forces of the Rivne area stressed in his report to the headquarters that Ukrainian nationalists did not shoot the Poles but cut them dead with knives and axes, with no consideration for age or gender.

• November 1918 – May 1919: Stanyslaviv, West Ukrainian National Republic,

In April – May 1918, he negotiated with the Ukrainian People's Republic Tsentral ' na Rada, then with the Hetmanate of Pavlo Skoropadsky, as well as with German forces ( see Ukraine after the Russian Revolution ).

Between May and June 1988 Ukrainian Catholics in western Ukraine celebrate the Millennium of Christianity in Kyivan Rus ' in secret by holding services in the forests of Buniv, Kalush, Hoshiv, Zarvantysia and other sites.

The President of the United States, pursuant to a Joint Resolution of Congress, has issued a proclamation each year since 1933 declaring May 22nd to be National Maritime Day.

and now, therefore, do I, John A. Notte, Jr., Governor of the State of Rhode Island and Providence Plantations, proclaim Monday, May 22nd, 1961, as National Maritime Day, reminding our citizens that American Merchant ships and American seamen are ready at all times to serve our Nation in the cause of freedom and justice.

Her day starts early, but no matter how many pressing letters there are to be written ( and during May, which is National Salvation Army Week, there are plenty ), schedules to be made or problems to be solved, Mrs. Marr's office is always open and the welcome mat is out.

On May 18, at the Republican National Convention in Chicago, Lincoln's friends promised and manipulated and won the nomination on the third ballot, beating candidates such as William H. Seward and Salmon P. Chase.

Nova Scotia celebrates Arbour Day on the Thursday during National Forest Week, which is the first full week in May.

This was a topic of major commercial effort at the time, dominating shows like the National Computer Conference ( NCC ) in Anaheim in May 1983.

* Jeffreys, Elizabeth and Michael, and Moffatt, Ann, Byzantine Papers: Proceedings of the First Australian Byzantine Studies Conference, Canberra, 17 – 19 May 1978 ( Australian National University, Canberra, 1979 ).

Bernard Allan Federko ( born May 12, 1956 ) is a retired professional ice hockey centre who played fourteen seasons in the National Hockey League from 1976 through 1990.

Iglehart, the Orioles ' largest shareholder at 32 % and owner of a sizable amount of CBS stock, straightened out his conflict of interest issues on May 25, 1965 by selling his 64, 000 shares in the ball-club to the National Brewing Company, an original team investor which finally had controlling interest at 65 %.

The National Speleological Society of the USA was later founded in 1941 ( originally formed as the Speleological Society of the District of Columbia on May 6, 1939 ) and the Swiss Society of Speleology created in 1939 in Geneva, but the first speleological institute in the world was founded in 1920 in Cluj-Napoca, Romania, by Emil Racovita, a Romanian biologist, zoologist, speleologist and explorer of Antarctica.

The bill changing the province's moving day from May 1 to July 1 was introduced by a federalist member of the Quebec National Assembly, Jérôme Choquette in 1973, in order not to affect children still in school in the month of May.

In May 2007, a series of reports on national Colombia news reported more than 300 dead sheep in the region of Boyaca, and the capture of a possible specimen to be analyzed by zoologists at the National University of Colombia.

In May 2009, the National Federation of State High School Associations released the results of their first true high school participation study.

A new Constitution was promulgated in 1947, and Chiang was formally elected by the National Assembly as the first term President of the Republic of China on May 20, 1948.

Chiang was reelected by the National Assembly to be the President of the Republic of China ( ROC ) on May 20, 1954, and again in 1960, 1966, and 1972.

* John Roach, " Delphic Oracle's Lips May Have Been Loosened by Gas Vapors " in National Geographic news, August 2001

In May 2009 at the World Economic Forum, Jordan announced its plans to construct the " Jordan National Red Sea Development Project " ( JRSP ).

In May 1997, following the demonstrations that led to the ousting of Bucaram and appointment of Alarcón, the people of Ecuador called for a National Assembly to reform the Constitution and the country's political structure.

However after the National Referendum that took place on the 5th of May in 2011, the proposition impulsed by the government of Mr. Correa won and now the Judiciary Council change its formation making a constitutional amendment.

U. S. advertisement for the 11th edition from the May 1913 issue of National Geographic Magazine

I ", Los Alamos National Laboratory ( through predecessor agency Los Alamos Scientific Laboratory, ( May 1955 ).

Former First Ladies Nancy Reagan, Lady Bird Johnson, Rosalynn Carter, Betty Ford, Barbara Bush, and First Lady Hillary Rodham Clinton at the National Garden Gala, A Tribute to America's First Ladies, May 11, 1994.

The Ship as Symbol in Prehistoric and Medieval Scandinavia: Papers from an International Research Seminar at the Danish National Museum, Copenhagen, 5 – 7 May 1994.

The Nazis initially attempted to form a corporatist economic system like that of Fascist Italy, creating the National Socialist Institute for Corporatism in May 1933, which included many major economists who argued that corporatism was consistent with National Socialism.