Today is the 232nd day of 2015 and the 61st day of summer.
TODAY'S HISTORY: In 1940, exiled Russian revolutionary Leon Trotsky was assassinated in Mexico.
In 1964, President Lyndon Johnson signed the Economic Opportunity Act of 1964, allocating nearly $1 billion in an unprecedented anti-poverty measure.
In 1977, NASA launched the unmanned space probe Voyager 2 to relay data and photographs of the outer solar system and interstellar space.
In 1998, the United States attacked suspected terrorist bases in Sudan in retaliation for U.S. embassy bombings earlier in the month.
TODAY'S BIRTHDAYS: Benjamin Harrison (1833-1901), 23rd U.S. president; H.P. Lovecraft (1890-1937), author; Eero Saarinen (1910-1961), architect; Don King (1931- ), boxing promoter; Isaac Hayes (1942-2008), singer-songwriter; Connie Chung (1946- ), journalist; Robert Plant (1948- ), singer-songwriter; Al Roker (1954- ), TV personality; Joan Allen (1956- ), actress; David O. Russell (1958- ), filmmaker; Amy Adams (1974- ), actress; Andrew Garfield (1983- ), actor; Demi Lovato (1992- ), actress.
TODAY'S FACT: Before entering politics, President Lyndon Johnson taught public speaking and debate at a high school in Houston.
TODAY'S SPORTS: In 1938, Lou Gehrig of the New York Yankees hit the 23rd grand slam of his career, setting a record that stood for 75 years, until it was broken by Yankees slugger Alex Rodriguez in 2013.
TODAY'S QUOTE: "The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of the infinity, and it was not meant that we should voyage far." -- H.P. Lovecraft, "The Call of Cthulhu"
TODAY'S NUMBER: 28,000 -- miles traveled by the first telegram sent around the world, on this day in 1911. The message reached its origination point, the dispatch room on the 17th floor of the New York Times Building, in 16.5 minutes.
TODAY'S MOON: Between new moon (Aug. 14) and first quarter moon (Aug. 22).