胡適日记全集, 第 1 卷 1906-1914
On May 15, 1911, the Supreme Court ordered the dissolution of Standard Oil Company, ruling it was in violation of the Sherman Antitrust Act.
胡適日記全集 , 第 2 卷 1915-1920
1917.7.10 (6.9離紐約) 抵上 去國留學七年
據說1917年的北大教授年齡是這樣的：梁漱溟 25歲；胡適 27歲；劉半農 27歲；劉文典 27歲林損 27歲；周作人 33歲；陳獨秀 39歲；朱希祖 39歲校長是蔡元培 50歲。最年輕的是畫法研究會導師徐悲鴻 23歲。
胡適日记全集, 第 3 卷 1921-22
胡適日記全集 4 : 1923-1927
On May 21, 1927, Charles A. Lindbergh landed his Spirit of St. Louis near Paris, completing the first solo airplane flight across the Atlantic Ocean
On May 25, 1925, John T. Scopes was indicted in Tennessee for teaching Darwin's theory of evolution.
胡適日記全集 5: 1928-1929
胡適日記全集, 第 6卷 1930-33
胡適日記全集 7: 1934-1939
On May 6, 1937, the hydrogen-filled German dirigible Hindenburg burned and crashed in Lakehurst, N.J., killing 36 of the 97 people on board.
On May 19, 1935, T.E. Lawrence, also known as "Lawrence of Arabia," died in England from injuries sustained in a motorcycle crash.
On May 23, 1934, bank robbers Bonnie Parker and Clyde Barrow were shot to death in a police ambush as they were driving a stolen Ford Deluxe along a road in Bienville Parish, La.
www.pbs.org/wgbh/americanexperience/features/.../goldengate-opening/General Article: The Golden Gate Bridge's Opening Day and its 50th Anniversary.
1939.5.16 第652頁 此頁，中國版剪報從缺，台灣版保留。
記鐵肺人要到法國Our Lady of Lourdes is a title of the Blessed Virgin Mary invoked by Roman Catholics in honor of the Marian apparitions which are said to have taken place before various individuals on separate occasions around Lourdes, France. 去朝聖，感謝胡適在醫院見過此人發一封電報，為他送行。
1 幽霊, 亡霊, 幻影. ⇒GHOST[類語]
an apparition of his dead father亡き父の幽霊.
胡適日記全集, 第 8 卷: 1940-1952
On May 2, 1945, the Soviet Union announced the fall of Berlin and the Allies announced the surrender of Nazi troops in Italy and parts of Austria.
On May 3, 1971, anti-war protesters calling themselves the Mayday Tribe began four days of demonstrations in Washington, D.C., aimed at shutting down the nation's capital.
On May 7, 1945, Germany signed an unconditional surrender at Allied headquarters in Rheims, France, to take effect the following day, ending the European conflict of World War II.
On May 12, 1943, during World War II, Axis forces in North Africa surrendered.
On May 14, 1948, the independent state of Israel was proclaimed as British rule in Palestine came to an end.
張愛玲面對“適之先生不在了”，有暗喻：摩西是被以色列人殺死的。事後他們自己諱言，年代久了又倒過來仍舊信奉他。憶胡適之 (張愛玲)On May 22, 1947, the Truman Doctrine was enacted as Congress appropriated military and economic aid for Greece and Turkey. , appropriate
胡適日記全集 9 : 1953-1962
On May 1, 1960, the Soviet Union shot down an American U-2 reconnaissance plane near Sverdlovsk and captured its pilot, Francis Gary Powers.
1960年5月4日 (星期三 )
On May 5, 1961, astronaut Alan B. Shepard Jr. became America's first space traveler as he made a 15-minute suborbital flight in a capsule launched from Cape Canaveral, Fla.
On May 17, 1954, the Supreme Court issued its landmark Brown vs. Board of Education of Topeka ruling, which declared that racially segregated public schools were inherently unequal.
On May 20, 1961, a white mob attacked a busload of "Freedom Riders" in Montgomery, Ala., prompting the federal government to send in United States marshals to restore order.
On May 29, 1953, Mount Everest was conquered as Edmund Hillary of New Zealand and sherpa Tenzing Norgay of Nepal became the first climbers to reach the summit.
On May 30, 1958, unidentified soldiers killed in World War II and the Korean conflict were buried at Arlington National Cemetery.
胡適日記全集, 第 10 卷 索引