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 themed anthology series would become a sensation with the introduction of Batman in issue # 27 ( May 1939 ).

In late 1939 he brought the Duke of Windsor back from self-impodsed exile in France and in early May 1940, Mountbatten led a British convoy in through the fog to evacuate the Allied forces participating in the Namsos Campaign during the Norwegian Campaign.

Over this period, except for the war years, during which he served with the United States Air Force, he developed British Guiana Airways Ltd. ( registered 27 May, 1938 ) and operating regular internal services since 1939.

Howard Carter ( 9 May 18742 March 1939 ) was an English archaeologist and Egyptologist known for discovering the tomb of 14th-century BC pharaoh Tutankhamun.

Following the outbreak of the Second World War in September 1939, Alexander brought the 1st Infantry Division to France, where, in late May 1940, he successfully led the division's withdrawal to Dunkirk.

25 May 1939

One of the consequences of Ribbentrop's heavy-handed behaviour was the signing of the Anglo-Turkish alliance of 12 May 1939.

Ribbentrop's efforts were crowned with success with the signing of the Pact of Steel in May 1939, though this was accomplished only by falsely assuring Mussolini that there would be no war for the next three years.

On 25 May 1939, Ribbentrop sent a secret message to Moscow to tell the Soviet Foreign Commissar, Vyacheslav Molotov, that if Germany attacked Poland " Russia's special interests would be taken into consideration ".

Along the same lines, Ribbentrop told the Italian Foreign Minister Count Galeazzo Ciano on 5 May 1939 " It is certain that within a few months not one Frenchman nor a single Englishman will go to war for Poland ".

Karl Bernhardovic Radek () ( 31 October 1885 – 19 May 1939 ) was a socialist active in the Polish and German movements before World War I and an international Communist leader after the Russian Revolution.

" Carr argued that the Soviet Union's replacement of Foreign Minister Litvinov with Molotov on May 3, 1939 indicated not an irrevocable shift towards alignment with Germany, but rather was Stalin ’ s way of engaging in hard bargaining with the British and the French by appointing a proverbial hard man, namely Molotov, to the Foreign Commissariat.

< tr bgcolor ="# DDEEFF ">< td > 25 < td > Sir Bertram Stevens < td > United Australia < td > 16 May 1932 < td > 4 August 1939

< tr bgcolor ="# DDEEFF ">< td > 26 < td > Alexander Mair < td > United Australia < td > 5 August 1939 < td > 16 May 1941

Reinhard Heydrich ( middle ) with Heinrich Himmler ( left ), Karl Wolff ( right ), and an unidentified assistant ( front ) at the Berghof ( residence ) | Obersalzberg, May 1939

On May 27, 1939, the first U. S. synchronized swimming competition took place at Wright Junior College between Wright and the Chicago Teachers ' College.

Józef Beck, minister of foreign affairs delivers his famous ' Honour ' speech in the Sejm, 5th May 1939.

Although the battle was a Soviet victory, the Japanese dismissed it as an inconclusive draw, and on 11 May 1939 decided to move the Japanese-Mongolian border up to the Khalkhin Gol River by force.

* May 18 – Ernie Davis, American football player, first African-American to win the Heisman Trophy ( b. 1939 )

* May 28 – Tommy Ladnier, American jazz trumpeter ( d. 1939 )

* May 31 – Pope Pius XI ( d. 1939 )

* May 9 – Howard Carter, British archaeologist ( d. 1939 )

Sturdy and strong after more than a century of continuous use, the old covered, wooden bridge that spans the Tygartis Valley River at Philippi will have a distinctive part in the week-long observance of the first land battle of the Civil War at its home site, May 28th to June 3rd.

In the seventh week after Easter May 878, around Whitsuntide, Alfred rode to ‘ Egbert's Stone ’ east of Selwood, where he was met by " all the people of Somerset and of Wiltshire and of that part of Hampshire which is on this side of the sea is, west of Southampton Water, and they rejoiced to see him ".

An airport security guard and Imam, Abdulaziz al-Omari (,, also transliterated as Alomari or al-Umari ) ( May 28, 1979 – September 11, 2001 ) was one of five hijackers of American Airlines Flight 11 as part of the September 11 attacks.

He returned to the Western Front in early 1916 as a general staff officer in the 33rd Division and took part in the Battle of Arras in April / May 1917.

Villeroi still believed ( on 22 May ) the Allies were a full day ’ s march away when in fact they had camped near Corswaren waiting for the Danish squadrons to catch up ; for his part, Marlborough deemed Villeroi still at Jodoigne when in reality he was now approaching the plateau of Mont St. André with the intention of pitching camp near Ramillies ( see map at right ).

Villeroi, posting himself near Offus, watched anxiously the redcoats ' advance, mindful of the counsel he had received on 6 May from Louis XIV – " Have particular care to that part of the line which will endure the first shock of the English troops.

Although Douglas was always second billed under Lancaster in these films, their roles were usually more or less the same size with the exceptions of I Walk Alone, in which Douglas played a villain, and in Seven Days in May, where Douglas ' part was larger than Lancaster's but not as dramatic.

Since May 2009, the portions of Broadway through Duffy Square, Times Square, and Herald Square have been closed entirely to automobile traffic, except for cross traffic on the Streets and Avenues, as part of a traffic and pedestrianization experiment, with the pavement reserved exclusively for walkers, cyclists, and those lounging in temporary seating placed by the city.

* becoming part of NATO's Membership Action Plan in May 2002

On 6 May 2005, President Fidel Castro reiterated that the island nation would not " be part of a disgraceful institution that has only humiliated the honor of Latin American nations ".

In May 2004, Cyprus entered divided the EU, although in practice membership only applies to the southern part of the island which is in the control of the Republic of Cyprus.

The film was intended to be an all encompassing portrait of political movements since May 1968, a summation of the work which he had taken part in for ten years.

The section of Route 3 between Wimbledon and West Croydon follows the old single-track British Rail route for the most part, which was closed on 31 May 1997 so that it could be converted for Tramlink.

Thirty-eight stops opened as part of the phased introduction of tram services in May 2000.

Damaged by fire on 21 May 2007 while undergoing conservation, the ship was permanently elevated three meters above the dry dock floor in 2011 as part a plan for long-term preservation.

He confined himself to operate in the southern part of Nicaragua ; after a press conference he was holding on 30 May 1984 was bombed, he " voluntarily withdrew " from the contra struggle.

The Law on Cooperatives enacted in May 1988 was perhaps the most radical of the economic reforms during the early part of the Gorbachev era.

His rise to its leadership position occurred in 1957 in part because of his handling of the critical Nissan workers ' strike that began May 25, 1953, and ran for 100 days.

In a meeting with 8 Jewish and 8 Protestant Dutch leaders in Israel in May 2011, a statement of cooperation was issued, indicating, for the most part, that the Protestant Church recognizes the issues involved with the Palestinian Christians and that this is sometimes at odds with support for the State of Israel, but standing up for the rights of the Palestinians does not detract from the emphasis on the safety of the State of Israel and vice versa.

In a May 2011 interview Enya's manager said that she is working on a new album and will likely tour to support it, with part of the recording taking place in Abbey Road studios in London.

On 1 May 1992, the ED ( now largely composed of UK Conservative Party members ) dissolved, and its remaining members were accorded " associated party " status in the EPP group ; that is, being part of the parliamentary group without retaining actual membership in the EPP party organization.

In May she arrived at Asakura Palace in the north part of Tsukushi province in Kyūshū, today a part of Fukuoka prefecture.

After the formation of a new coalition government in 2010, it was announced as part of the coalition agreement that a referendum would be held on 5 May 2011 on switching to the alternative vote system.

A modified version of this proposal was accepted by Cromwell and the Council of Officers and less than a month after the dissolution of the Rump, during May 1653, letters in the name of the Lord-General and the Army Council were sent to Congregational churches in every county in England to nominate those they considered fit to take part in the new government.