1663 - The English Parliament passes the second Navigation Act requiring that all goods bound for the American colonies have to be sent in English ships from English ports. After the Acts of Union 1707, Scotland would be included in the Act.
1816 - Seminole Wars: The Battle of Negro Fort ends when a hot shot cannonball fired by US Navy Gunboat No. 154 explodes the fort's Powder Magazine, killing approximately 275. It is considered the deadliest single cannon shot in US history.
1857 - Indian Rebellion: Sixty-eight men hold out for eight days against a force of 2,500 to 3,000 mutinying sepoys and 8,000 irregular forces.
1919 - The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
1947 - In Vatican City, Rome, canonization of Catherine Labouré, the saint whose apparitions of the Virgin Mary originated the worldwide diffusion of the Miraculous Medal.[5][6]
1964 - Vietnam War: Five thousand more American military advisers are sent to South Vietnam bringing the total number of United States forces in Vietnam to 21,000.
1989 - While attempting to land at Tripoli International Airport in Libya, Korean Air Flight 803 crashes just short of the runway. Seventy-five of the 199 passengers and crew and four people on the ground are killed, in the second accident involving a DC-10 in less than two weeks, the first being United Airlines Flight 232.
2005 - After an incident during STS-114, NASA grounds the Space Shuttle, pending an investigation of the continuing problem with the shedding of foam insulation from the external fuel tank.
2015 - At least seven people are killed and many injured after gunmen attack an Indian police station in Punjab.
Births
Pre-1600
774 - Kūkai, Japanese Buddhist monk, founder of Esoteric (Shingon) Buddhism (d. 835)[10]
Book: Röhl, John C. G. . Wilhelm II: Into the Abyss of War and Exile, 1900–1941 . Cambridge University Press . 2017 . 9781107544192 . 73–95 . The Boxer Rebellion and the Baghdad railway . 10.1017/CBO9781139046275 . https://doi.org/10.1017/CBO9781139046275.006.
Web site: IPI World Press Freedom Heroes . Michael Kudliak . 2000 . freemedia.at . 1 June 2011 . dead . https://web.archive.org/web/20100627060348/http://www.freemedia.at/Heroes_IPIReport2.00/47Uceda.htm . 27 June 2010 .
Brucer . M . Elizabeth Rona (1891?-1981). . Journal of Nuclear Medicine . January 1982 . 23 . 1 . 78–9 . 7033484 . 25 July 2020.
Web site: This Is Bob Hope… Biography. Zoglin, Richard. November 30, 2017. PBS. July 24, 2020. https://web.archive.org/web/20180514064753/http://www.pbs.org/wnet/americanmasters/bob-hope-biography/9725/. May 14, 2018. live.
News: Remembering APJ Abdul Kalam: Five stories on the Missile Man's legacy . 24 July 2020 . The Indian Express . 27 July 2015 . https://web.archive.org/web/20150728170754/http://indianexpress.com/article/india/india-others/former-president-abdul-kalam-passed-away-following-sudden-illness/ . 28 July 2015 . en.
News: James Alan McPherson, Pulitzer Prize-Winning Writer, Dies at 72. https://ghostarchive.org/archive/20220103/https://www.nytimes.com/2016/07/28/books/james-alan-mcpherson-pulitzer-prize-winning-writer-dies-at-72.html . 2022-01-03 . subscription . live. Roberts. Sam. July 27, 2016. The New York Times. 0362-4331. July 31, 2016.
News: Deb. Sopan. Sam Shepard, Pulitzer-Winning Playwright and Actor, Is Dead at 73. July 31, 2017. The New York Times. 31 July 2017 . July 31, 2017. live. https://web.archive.org/web/20170731155033/https://www.nytimes.com/2017/07/31/theater/sam-shepard-dead.html. July 31, 2017. mdy-all.