28th day events in history

March 28, 37 Roman Emperor Caligula accepts the titles of the Principate, entitled to him by the Senate
October 28, 97 Emperor Nerva is forced by the Praetorian Guard to adopt general Marcus Ulpius Trajanus as his heir and successor
March 28, 193 Roman Emperor Pertinax is assassinated by Praetorian Guards, who then sell the throne in an auction to Didius Julianus
September 28, 235 Pope Pontian resigns. He and Hippolytus, church leader of Rome, are exiled to the mines of Sardinia
October 28, 306 Maxentius is proclaimed Roman Emperor
October 28, 312 Battle of the Milvian Bridge: Constantine I defeats Maxentius, becoming the sole Roman emperor in the West
September 28, 351 Battle of Mursa Major: the Roman Emperor Constantius II defeats the usurper Magnentius
April 28, 357 Emperor Constantius II enters Rome for the first time to celebrate his victory over Magnus Magnentius
March 28, 364 Roman Emperor Valentinian I appoints his brother Flavius Valens co-emperor
September 28, 365 Roman usurper Procopius bribes two legions passing by Constantinople, and proclaims himself Roman emperor
October 28, 456 The Visigoths brutally sack the Suebi's capital of Braga (Portugal), and the town's churches are burnt to the ground
December 28, 457 Majorian is acclaimed emperor of the Western Roman Empire and recognized by emperor Leo I the Thracian
August 28, 475 The Roman general Orestes forces western Roman Emperor Julius Nepos to flee his capital city, Ravenna
December 28, 484 Alaric II succeeds his father Euric and becomes king of the Visigoths. He establishes his capital at Aire-sur-l'Adour (Southern Gaul)
August 28, 489 Theodoric, king of the Ostrogoths defeats Odoacer at the Battle of Isonzo, forcing his way into Italy
November 28, 587 Treaty of Andelot: King Guntram of Burgundy recognizes Childebert II as his heir
May 28, 621 Battle of Hulao: Li Shimin, the son of the Chinese emperor Gao Zu, defeats the numerically superior forces of Dou Jiande near the Hulao Pass (Henan). This victory decides the outcome of the civil war that followed the Sui Dynasty's collapse in favour of the Tang Dynasty
February 28, 628 Khosrau II is executed by Mihr Hormozd under the orders of Kavadh II
August 28, 663 Silla–Tang armies crush the Baekje restoration attempt and force Yamato Japan to withdraw from Korea in the Battle of Baekgang
March 28, 845 Paris is sacked by Viking raiders, probably under Ragnar Lodbrok, who collects a huge ransom in exchange for leaving
February 28, 870 The Fourth Council of Constantinople closes
December 28, 893 An earthquake destroys the city of Dvin, Armenia
September 28, 935 Saint Wenceslas is murdered by his brother, Boleslaus I of Bohemia
November 28, 936 Shi Jingtang is enthroned as the first emperor of the Later Jin by Emperor Taizong of Liao, following a revolt against Emperor Fei of Later Tang
October 28, 969 Byzantine general Michael Bourtzes seizes part of Antioch's fortifications. The capture of the city from the Arabs is completed three days later, when reinforcements under the stratopedarches Peter arrive
September 28, 995 Members of Slavník's dynasty – Spytimír, Pobraslav, Pořej and Čáslav are murdered by Boleslaus's son, Boleslaus II the Pious
October 28, 1061 Empress Agnes, acting as regent for her son, brings about the election of bishop Cadalus, the antipope Honorius II
December 28, 1065 Westminster Abbey is consecrated
September 28, 1066 William the Bastard (also known as William the Conqueror) invades England beginning the Norman conquest of England
January 28, 1077 Walk to Canossa: The excommunication of Henry IV, Holy Roman Emperor is lifted
June 28, 1098 Fighters of the First Crusade defeat Kerbogha of Mosull
September 28, 1106 The Battle of Tinchebray – Henry I of England defeats his brother, Robert Curthose
August 28, 1189 Third Crusade: The Crusaders begin the Siege of Acre under Guy of Lusignan
April 28, 1192 Assassination of Conrad of Montferrat (Conrad I), King of Jerusalem, in Tyre, two days after his title to the throne is confirmed by election. The killing is carried out by Hashshashin
September 28, 1238 Muslim Valencia surrenders to the besieging King James I of Aragon the Conqueror
February 28, 1246 The Siege of Jaén ends in the context of the Spanish Reconquista resulting in the Castilian takeover of the city from the Taifa of Jaen
April 28, 1253 Nichiren, a Japanese Buddhist monk, propounds Nam Myoho Renge Kyo for the very first time and declares it to be the essence of Buddhism, in effect founding Nichiren Buddhism
December 28, 1308 The reign of Emperor Hanazono, Emperor of Japan, begins
September 28, 1322 Louis IV, Holy Roman Emperor defeats Frederick I of Austria in the Battle of Mühldorf
October 28, 1344 The lower town of Smyrna is captured by Crusaders
June 28, 1360 Muhammed VI becomes the tenth Nasrid king of Granada after killing his brother-in-law Ismail II
July 28, 1364 Troops of the Republic of Pisa and the Republic of Florence clash in the Battle of Cascina
January 28, 1393 King Charles VI of France is nearly killed when several dancers' costumes catch fire during a masquerade ball
October 28, 1420 Beijing is officially designated the capital of the Ming dynasty on the same year that the Forbidden City, the seat of government, is completed
November 28, 1443 Skanderbeg and his forces liberate Kruja in central Albania and raise the Albanian flag
September 28, 1448 Christian I is crowned king of Denmark
June 28, 1461 Edward IV is crowned King of England
October 28, 1492 Christopher Columbus discovered Cuba on his first voyage to the New World
April 28, 1503 The Battle of Cerignola is fought. It is noted as the first battle in history won by small arms fire using gunpowder
May 28, 1503 James IV of Scotland and Margaret Tudor are married according to a papal bull by Pope Alexander VI. A Treaty of Everlasting Peace between Scotland and England signed on that occasion results in a peace that lasts ten years