May 15 is the 135th day of the year. There are 230 days left.

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Today's number is 15

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15 is the product of 2 primes, 3 and 5
15 is the magic number for a 3 by 3 magic square
15 is phosphorus
15 balls are used in eight ball and rotation pocket billiards
There are 15 tokens on each side at the start of backgammon
15 is the age when a hispanic girl has a quinceanera
A 15 puzzle has 15 blocks numbered 1 through 15 in a 4 by 4 box
15 is a repeating digit, or repdigit, in binary; 1111

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15 is also bumfit

And, of course, 15 is f

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Title 15 of the US Code is COMMERCE AND TRADE.

15 BCE
was the Year of the consulship of Drusus and Piso
Drusus built the via Claudia Augustus through Italy
Vienna became a Roman frontier city
Future Roman general Germanicus was born
Future Roman poet Phaedrus was born

15 CE
was the Year of the consulship of Caesar and Flaccus
Germanicus launched a two-pronged attack from Vetera and Moguntiacum. On his return journey, he recaptured the Eagle of Legion XIX, visited the battlefield of the Teutoburg Wald, and then arranged for the burial of the remains of Varus' army. (Yes, that damn Varus!)
Nicolaus of Damascus wrote a biography of the Emperor Augustus
The Greek philosopher Apollonius of Tyana was born

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On this day in:

1252 -- Pope Innocent IV authorized the torture of heretics.
1618 -- Johannes Kepler confirmed third law of planetary motion
1648 -- The Treaty of Westphalia was executed
1793 -- Diego Marin Aguilera flew a glider for about 360 meters
1811 -- Paraguay declared its independence
1836 -- Francis Baily saw "Baily's beads"
1850 -- The Bloody Island massacre of Pomo Indians by the US Cavalry.
1869 -- Susan B. Anthony and Elizabeth Cady Stanton formed the National Woman Suffrage Association.
1905 -- Las Vegas, was founded
1911 -- The Supremes declared Standard Oil to be an "unreasonable" monopoly and ordered it broken up
1940 -- The first McDonald's opened in San Berdoo
1941 -- The first flight of the first British jet aircraft.
1942 -- The Women's Army Auxiliary Corps (WAAC) was created
1943 -- Joseph Stalin dissolved the Comintern
1948 -- The officially recognized start of the 1948 Arab - Israeli War.
1957 -- Britain tested its first H-Bomb.
1958 -- Sputnik 3.
1960 -- Sputnik 4.
1963 -- The launch of the final Mercury mission
1969 -- People's Park's Bloody Thursday, the cops murdered James Rector & wounded many others with 00 buckshot.
1970 -- Nixon named Anna Mae Hays and Elizabeth P. Hoisington the first female US Army generals
1970 -- Cops murdered Philip Lafayette Gibbs and James Earl Green & wounded 12 others at Jackson State
1972 -- Arthur Bremer shot and paralyzed Alabama Governor George Wallace during his Presidential Campaign
1974 -- The Ma'alot massacre by the DFLP
1988 -- The Soviet army began withdrawing from Afghanistan, handing it over to various US supported groups
1991 -- Edith Cresson became the first female premier of France
1997 -- The US acknowledged the existence of the Secret War in Laos
2008 -- California legalized same-sex marriage

Born this day in:

1567 -- Claudio Monteverdi, musician, singer, composer & priest
1689 -- Lady Mary Wortley Montagu, playwright and author
1759 -- Maria Theresia von Paradis, pianist and composer
1856 -- L. Frank Baum, novelist
1857 -- Williamina Fleming, astronomer
1859 -- Pierre Curie, physicist
1890 -- Katherine Anne Porter, writer
1898 -- Arletty,
1900 -- Ida Rhodes, mathematician and programmer
1902 -- Richard J. Daley, politician
1903 -- Maria Reiche, mathematician & archaaeologist instrumental in preserving the Nazca Lines
1904 -- Clifton Fadiman, author, editor, critic, radio and TV personality
1905 -- Abraham Zapruder, shot the Zapruder film
1915 -- Paul Samuelson, economist
1918 -- Eddy Arnold, singer, guitarist, actor and songwriter
1923 -- Richard Avedon, photographer
1935 -- Utah Phillips, singer, poet, songwriter, storyteller and guitarist
1936 -- Anna Maria Alberghetti, singer and actor
1937 -- Madeleine Albright, politician
1937 -- Karin Krog, singer
1937 -- Trini Lopez, singer and actor
1938 -- Nancy Garden, author, wrote Annie on my Mnd
1940 -- Roger Ailes, Fox news lowlife
1942 -- Lois Johnson, country-western singer
1942 -- K. T. Oslin, ditto
1943 -- Freddie Perren, songwriter, producer, arranger, etc. (I will Survive)
1948 -- Brian Eno, singer, songwriter, keyboardist, producer
1953 -- Mike Oldfield, guitarist, singer and songwriter
1955 -- Lia Vissi, Cypriot singer, composer, and songwriter

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Died this day in:

1461 -- Domenico Veneziano, painter
1886 -- Emily Dickinson, poet
1974 -- Paul Gonsalves, saxophonist
1989 -- Johnny Green, songwriter, composer, conductor, pianist, and arranger. "Body & soul"
2003 -- June Carter Cash, guitarist, singer and songwriter
2007 -- Jerry Falwell, prominent christofascist bigot and hatemonger

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Holidays, Holy Days, Festivals, Feast Days and such:
Nakba Day
International Conscientious Objectors Day

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So, for music 
Claudio Monteverdi
Maria Theresia von Paradis, pianist and composer
Eddy Arnold
Utah Phillips
Anna Maria Alberghetti
Karin Krog
Trini Lopez
Lois Johnson
K. T. Oslin
Freddie Perren
Brian Eno
Mike Oldfield
Lia Vissi
Paul Gonsalves
Johnny Green
June Carter Cash



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Claudio Monteverdi

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Maria Theresia von Paradis, pianist and composer

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Eddy Arnold

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Utah Phillips

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Anna Maria Alberghetti

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Karin Krog

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Trini Lopez

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Lois Johnson

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K. T. Oslin

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Freddie Perren wrote stuff like

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Brian Eno

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Mike Oldfield

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Lia Vissi

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Paul Gonsalves

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Johnny Green

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June Carter Cash

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OK, what's on your minds?

Bonus: Tubular Bells