1574 was a common year.
|Centuries:||15th century – 16th century – 17th century|
|Decades:||1540s 1550s 1560s – 1570s – 1580s 1590s 1600s|
|Years:||1571 1572 1573 – 1574 – 1575 1576 1577|
- April 14 – Battle of Mookerheyde: Spanish forces under Sancho de Avila defeat the rebel forces of Louis of Nassau. Louis is killed.
- May 30 – On the death of King Charles IX of France, he is succeeded by his brother King Henry of Poland, who becomes King Henry III. His mother, Catherine of Medici, acts as Regent until Henry arrives from Poland.
- October 3 – The city of Leiden, besieged by the Spanish, is relieved by a Sea Beggar fleet under Louis Boisot.
- Murad III succeeds Selim II as Sultan of the Ottoman Empire.