German pirate Klein Henszlein and 33 of his crew are beheaded in Hamburg.

Klein Henszlein was a notorious German pirate who operated in the North Sea during the 16th century, a period when piracy posed a serious threat to the busy maritime trade of northern Europe. Little is known about his early life, including his exact birthplace and date of birth, but he became the leader of a band of pirates that preyed upon merchant vessels sailing along the coasts of Germany and the Low Countries. Henszlein and his crew attacked ships for their cargoes and valuables, taking advantage of the enormous volume of commercial traffic moving through the North Sea. Their activities eventually made them a significant target for authorities attempting to protect regional trade.

Henszlein’s career came to an end in 1573 when his pirate ship was captured near the mouth of the River Ems after a confrontation with forces from Hamburg. Henszlein and dozens of members of his crew were taken prisoner and transported to Hamburg to stand trial. Piracy was treated as an extremely serious crime because it threatened both commerce and public order, and the captured men received little mercy. Henszlein and his companions were convicted and sentenced to death, resulting in one of the most famous mass executions of pirates in German history.

On September 10, 1573, Klein Henszlein and approximately 70 members of his crew were publicly beheaded in Hamburg. According to later accounts, their heads were placed on stakes as a warning to other pirates and criminals operating in the region. The gruesome display reflected the harsh punishments commonly used by early modern authorities to discourage piracy and demonstrate their control over important trading routes. Although Klein Henszlein is far less famous today than later pirates of the Caribbean, his story provides a striking example of the dangers of North Sea piracy and the severe consequences faced by captured pirates in 16th-century Europe.