Albert Frederick was married in 1573 to Marie Eleonore of Cleves, a daughter of Wilhelm, Duke of Jülich-Cleves-Berg and Archduchess Maria of Austria ( 1531 – 1581 ).

* Jean du Vergier de Hauranne, ( 1581 – 1643 ), theologian, who introduced Jansenism into France.

From his research grew his Disputationes de controversiis christianae fidei ( also called Disputationes ), first published at Ingolstadt in 1581 – 1593.

However, this statement for integers can be found already in the work of another French mathematician, Claude Gaspard Bachet de Méziriac ( 1581 – 1638 ).

Christopher Báthory ( Hungarian: Báthory Kristóf ) ( 1530 – May 27, 1581 ) was a prince of Transylvania.

* 1581 – Edmund Campion, English Jesuit ( b. 1540 )

* 1581 – Ralph Sherwin, English Catholic saint ( b. 1550 )

* 1581 – Alexander Briant, English Jesuit and martyr ( b. 1556 )

A 1581 reprint of the Digestorum from Justinian I | Justinian's Corpus Juris Civilis ( 527 – 534 ).

* 1626 – Edmund Gunter, English mathematician ( b. 1581 )

1520 – 1591 ), father of Galileo and the inventor of monody, made use of the method in successfully solving musical problems, firstly, of tuning such as the relationship of pitch to string tension and mass in stringed instruments, and to volume of air in wind instruments ; and secondly to composition, by his various suggestions to composers in his Dialogo della musica antica e moderna ( Florence, 1581 ).

These are sometimes referred to as burgher arms, and it is thought that most arms of this type were adopted while the Netherlands was a republic ( 1581 – 1806 ).

* 1581 – Plakkaat van Verlatinghe ( Act of Abjuration ): the northern Low Countries declare their independence from the Spanish king, Philip II.

* 1540 – Edmund Campion, English Jesuit ( d. 1581 )

* 1581 – The English Parliament outlaws Roman Catholicism.

* 1516 – Bayinnaung, King of Burma ( d. 1581 )

# Anna Maria ( 3 February 1567 – 4 November 1618 ), married in 1581 to Duke Barnim X of Pomerania

# Christian ( 1581 – 1655 )

* 1581 – Pieter Corneliszoon Hooft, Dutch historian and writer ( d. 1647 )

* 1581 – Ivan Ivanovich, son of Ivan IV of Russia ( b. 1554 )

Muscat was taken by the Portuguese on 1 April 1515, and was held until 26 January 1650, although the Ottomans controlled Muscat between 1550 – 1551 and 1581 – 1588.

* 1581 – Claude Gaspard Bachet de Méziriac, French mathematician ( d. 1638 )

* 1581 – Saint Louis Bertrand, Spanish Dominican and missionary ( b. 1526 )

St. John's Vincentian values stem from the ideals and works of St Vincent de Paul ( 1581 – 1660 ), who is the patron saint of Christian charity.

Vincent de Paul ( 24 April 1581 – 27 September 1660 ) was a priest of the Catholic Church who dedicated himself to serving the poor.

St. Vincent was born in 1581 in Pouy, in the Province of Guyenne and Gascony, the Kingdom of France, to a family of peasant farmers.

After the Act of Abjuration was proclaimed in 1581 Delft became the de facto capital of the newly independent Netherlands, as the seat of the Prince of Orange.

The closest she came to marriage was between 1579 and 1581, when she was courted by Francis, Duke of Anjou, the son of Henry II of France and Catherine de ' Medici.

* February 26 – Claude Gaspard Bachet de Méziriac, French mathematician ( b. 1581 )

de: 1581

* the duke of Retz ( a pairie created in 1581 for Albert de Gondy ) had Or two maces or clubs per saltire sable, bound gules

Jean du Vergier de Hauranne | The Abbé de Saint-Cyran ( 1581 – 1643 ), one of the intellectual fathers of Jansenism.

* Bartolomé de Medina, Spanish Catholic theologian ( died 1581 )

Some of his masses are based on extremely secular French chansons, some of which are frankly obscene ( Entre vous filles de quinze ans, " Oh you fifteen-year old girls ", by Clemens non Papa, gave him source material for his 1581 Missa entre vous filles, probably the most scandalous of the lot ).

The House of Bourbon-Conti was formed in 1581 by François de Bourbon, prince de Conti.

* 1558 – 1614: marquis, from 1581 1st prince de Conti

Juan Ruiz de Alarcón ( 1581?

Juan Ruiz de Alarcón was born about 1581 at Real de Taxco, New Spain, where his father was superintendent of mines ; his mother was descended from one of Spain ’ s most illustrious families, the Mendozas.

* August 4-Juan Ruiz de Alarcón, dramatist ( born c. 1581 )

His principal works, in addition to those mentioned above, are Excellent discours de la vie et de la mort ( London, 1577 ), a bridal present to Charlotte Arbaleste ; Traité de l ' Église où l ' on traite des principales questions qui ont été mues sur ce point en nostre temps ( London, 1578 ); Traité de la vérité de la religion chrétienne contre les athées, épicuriens, payens, juifs, mahométans et autres infidèles ( Antwerp, 1581 ); Le mystère d ' iniquité, c ' est à dire, l ' histoire de la papauté ( Geneva, 1611 ).

Peter Paul Rubens, The Three Graces, ( 1636-1638 ). The southern provinces of the Low Countries remained under Spanish rule after the separation of the northern provinces ( modern-day Holland ) in 1581.

Paul Hainzel ( 1527 – 1581 ) was a German astronomer and the mayor of Augsburg, Germany.