Today is the 64th day of 2015 and the 75th day of winter.

TODAY'S HISTORY: In 1770, British troops fired into a crowd of Americans, killing five, in what became known as the Boston Massacre.

In 1946, Winston Churchill used the phrase "iron curtain" during a speech that is often regarded as marking the beginning of the Cold War.

In 1970, the Nuclear Non-Proliferation Treaty went into effect following ratification by 43 nations.

TODAY'S BIRTHDAYS: Howard Pyle (1853-1911), author/illustrator; Rex Harrison (1908-1990), actor; James Tobin (1918-2002), economist; Daniel Kahneman (1934- ), economist; Dean Stockwell (1936- ), actor; Penn Jillette (1955- ), comedian/magician; Andy Gibb (1958-1988), singer; Joel Osteen (1963- ), televangelist; Michael Irvin (1966- ), football player; Lisa Robin Kelly (1970-2013), actress; Kevin Connolly (1974- ), actor; Eva Mendes (1974- ), actress.

TODAY'S FACT: John Adams, who would later be the second U.S. president, served as the attorney for the British soldiers who took part in the Boston Massacre and successfully defended them on murder charges.

TODAY'S SPORTS: In 1993, Canadian Olympic sprinter Ben Johnson received a lifetime ban from competition after testing positive a second time for performance-enhancing drugs.

TODAY'S QUOTE: "The idea that the future is unpredictable is undermined every day by the ease with which the past is explained." -- Daniel Kahneman, "Thinking, Fast and Slow"

TODAY'S NUMBER: 189 -- signatories to the Nuclear Non-Proliferation Treaty as of February 2014. North Korea withdrew from the treaty in January 2003; among U.N. member states, India, Israel, Pakistan and South Sudan have never signed the treaty.

TODAY'S MOON: Full moon (March 5).

Today is the 63rd day of 2015 and the 74th day of winter.

TODAY'S HISTORY: In 1789, the first session of the United States Congress was held in New York City as the new Constitution took effect.

In 1791, Vermont was admitted as the 14th U.S. state.

In 1913, the U.S. Department of Labor was formed.

In 1933, Franklin D. Roosevelt outlined his "New Deal" during his inauguration as the 32nd U.S. president.

In 1974, the first issue of People magazine was published, featuring "The Great Gatsby" star Mia Farrow on the cover.

TODAY'S BIRTHDAYS: Antonio Vivaldi (1678-1741), composer; Casimir Pulaski (1745-1779), military leader; Knute Rockne (1888-1931), football coach; John Garfield (1913-1952), actor; James Ellroy (1948- ), author; Rick Perry (1950- ), politician; Catherine O'Hara (1954- ), actress; Mykelti Williamson (1957- ), actor; Patricia Heaton (1958- ), actress; Ray Mancini (1961- ), boxer; Landon Donovan (1982- ), soccer player.

TODAY'S FACT: Between 1945 and 1990, the United States produced more than 70,000 nuclear weapons. About 4,800 nuclear warheads remain in the U.S. stockpile.

TODAY'S SPORTS: In 1995, heavyweight champion George Foreman refused to fight No. 1 contender Tony Tucker and was stripped of his title by the World Boxing Association.

TODAY'S QUOTE: "On the road we're somebody else's guests and we play in a way that they're not going to forget we visited them." -- Knute Rockne

TODAY'S NUMBER: 77,865 -- immediately eligible American candidates awaiting organ transplants as of February 2015.

TODAY'S MOON: Between first quarter moon (Feb. 25) and full moon (March 5).

Today is the 62nd day of 2015 and the 73rd day of winter.

TODAY'S HISTORY: In 1845, Florida was admitted as the 27th U.S. state.

In 1931, President Herbert Hoover signed a congressional resolution adopting "The Star-Spangled Banner" as the U.S. national anthem.

In 1991, an amateur videographer captured the beating and arrest of construction worker Rodney King by Los Angeles police officers after a high-speed car chase.

In 2005, American millionaire Steve Fossett made the first solo, nonstop, unrefueled flight around the world in a fixed-wing aircraft.

TODAY'S BIRTHDAYS: Alexander Graham Bell (1847-1922), inventor; Jean Harlow (1911-1937), actress; James Doohan (1920-2005), actor; James Merrill (1926-1995), poet; Perry Ellis (1940-1986), fashion designer; Ira Glass (1959- ), radio personality; Jackie Joyner-Kersee (1962- ), athlete; Julie Bowen (1970- ), actress; Jessica Biel (1982- ), actress.

TODAY'S FACT: "The Star-Spangled Banner" is set to the tune of "To Anacreon in Heaven," a piece originally composed around 1775 as the official song of the Anacreontic Society, an English musicians' club.

TODAY'S SPORTS: In 1974, heavyweight boxing champion George Foreman successfully defended his title with a second-round knockout of Ken Norton, improving his overall record to 40-0 with 37 knockouts.

TODAY'S QUOTE: "There cannot be mental atrophy in any person who continues to observe, to remember what he observes and to seek answers for his unceasing hows and whys about things." -- Alexander Graham Bell

TODAY'S NUMBER: 2.82 -- gallons of wine per capita Americans consume annually.

TODAY'S MOON: Between first quarter moon (Feb. 25) and full moon (March 5).