Andreas Werckmeister, German organist, composer, and theorist (d. 1706)
Andreas Werckmeister (November 30, 1645 – October 26, 1706) was a German organist, music theorist, and composer of the Baroque era. He was amongst the earliest advocates of equal temperament, and through this advocacy was highly influential to the harmonic basis underlying almost all of subsequent Western music.

1645Nov, 30
Andreas Werckmeister
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Events on 1645
- 14Jun
Battle of Naseby
English Civil War: Battle of Naseby: Twelve thousand Royalist forces are beaten by 15,000 Parliamentarian soldiers. - 10Jul
Battle of Langport
English Civil War: The Battle of Langport takes place. - 21Jul
Queue (hairstyle)
Qing dynasty regent Dorgon issues an edict ordering all Han Chinese men to shave their forehead and braid the rest of their hair into a queue identical to those of the Manchus. - 3Aug
Battle of Nördlingen (1645)
Thirty Years' War: The Second Battle of Nördlingen sees French forces defeating those of the Holy Roman Empire. - 8Oct
Hôtel-Dieu de Montréal
Jeanne Mance opened the Hôtel-Dieu de Montréal, the first lay hospital in North America.