1556
Year 1556 was a leap year starting on Wednesday of the Julian calendar.
Events
January–March
- January 4 - In Japan, Saitō Yoshitatsu, the eldest son of Saitō Dōsan, arranges the murders of his two younger brothers, Magoshiro and Kiheiji, and forces his father to flee from the Sagiyama Castle.
- January 16 - Charles V abdicates the thrones of the Spanish Empire in favor of his son, Philip II, and retires to a monastery.
- January 23 - The Shaanxi earthquake, the deadliest earthquake in history, occurs with its epicenter in Shaanxi province, China; 830,000 people may have been killed.
- January 24 - In India, at the Sher Mandal in Delhi, the Mughal Emperor Humayun trips while descending the stairs from his library and strikes the side of his head against a stone step, sustaining a fatal injury. He never regains consciousness and dies seven days later.
- February 5 - Truce of Vaucelles: Fighting temporarily ends between France and Spain.
- February 14 - Akbar the Great ascends the throne of the Mughal Empire in India at age 13; he will rule until his death in 1605, by which time most of the north and centre of the Indian subcontinent will be under his control.
- March 21 - In Oxford, Thomas Cranmer, the former Archbishop of Canterbury, is burned at the stake for treason for his role in the English Reformation as chief bishop of the Anglican Church.
- March 22 - Reginald Pole, a Roman Catholic Cardinal, is appointed by Queen Mary of England as the new Archbishop of Canterbury and head of the Catholic Archdiocese of Canterbury.
April–June
- April 3 - In Qazvin, the Shah of Iran Tahmasp I, becomes enraged with the sexual orientation of his son Ismail II, and sends Ismail to Afghanistan to serve as the Iranian governor of Herat province.
- April 24 - Pál Márkházy surrenders the Hungarian fortress at Ajnácskő to the Ottoman Empire. Márkházy, accused of treachery, is stripped of his estates and title by the King of Hungary, and forced to flee to the Principality of Transylvania.
- May 28 - In Japan, the Battle of Nagara-gawa takes place along the Nagara River in Mino Province near what is now the Gifu Prefecture. Saitō Yoshitatsu, with 17,500 troops, overwhelms and kills his father, Saitō Dōsan, who had attempted to avenge the Saitō family honor with less than 3,000 people.
- June 14 - Lorenzo Priuli becomes the new Doge of the Venetian Republic.
- June 27 - Thirteen English Protestants, the "Stratford Martyrs", are burned at the stake at Stratford-le-Bow near London after being convicted of heresy.
July–September
- July 17 - Kostajnica Fortress in what is now Croatia falls to the Ottoman Empire and remains under Turkish control for the next 132 years.
- August 15 - Work begins on the Peresopnytsia Gospel at the Monastery of the Holy Trinity in the Grand Duchy of Lithuania, and continues for the next five years.
- August 27 - Charles V abdicates his position as Holy Roman Emperor in favor of his younger brother, Ferdinand, King of the Romans. The Imperial Diet postpones recognizing the abdication for the next 18 months.
- September 1 - After Pope Paul IV attempts to get King Henry II of France to join him in an invasion of Spanish-controlled Naples, Spain's Duke of Alba invades the Papal States in Italy.
October–December
- October 7 - The Battle of Delhi is fought in India, at Tughlaqabad) near Delhi between forces of the Sur Empire and the Mughal Empire. General Hemchandra Vikramaditya of the Suris overwhelms the forces commanded by the Mughal Governor of Delhi, Tardi Beg Khan within one day.
- November 5 - Second Battle of Panipat: Fifty miles north of Delhi, a Mughal army defeats the forces of Hemu and recaptures Delhi for the Mughal Empire, guaranteeing Akbar's rule.
- November 10 - The English ship Edward Bonadventure, commanded by Richard Chancellor is wrecked on the coast of Scotland at Pitsligo, killing most of its crew, including Chancellor. The few survivors include the first Russian ambassador to England, Osip Nepeya.
- November 17 - In the Holy Roman Empire, the Steter Kriegsrat is founded as a War Council with five generals and five civil servants to advise the Habsburg rulers.
- December 7 - The Mughal Emperor Akbar personally travels with Bairam Khan to lead an invasion force to defeat the Sultan of the Sur Empire, Sikandar Shah Suri.
- December 27 - Péter Erdődy is appointed as the Ottoman Viceroy of Croatia after the death on September 7 of Nikola IV Zrinski.
- December 31 - All military authorities in the Holy Roman Empire are ordered to submit to the decisions of the Imperial War Council.
Date unknown
- The kings of Spain take control of what becomes the Flanders region, including the French département of Nord.
- The Plantations of Ireland are started in King's County and Queen's County, the earliest attempt at systematic ethnic cleansing in Ireland, by the Roman Catholic ruler Queen Mary I of England.
- Future King Prince John, younger son of King Gustav I of Sweden becomes Duke of Finland.
- Ivan the Terrible conquers Astrakhan, opening the Volga River to Russian traffic and trade.
- The Welser banking families of Augsburg lose colonial control of Venezuela.
- The false Martin Guerre appears in the French village of Artigat.
- The first printing press in India is introduced by Jesuits, at Saint Paul's College, Goa.