February 31112 – Ramon Berenguer III, Count of Barcelona, and Douce I, Countess of Provence, marry, uniting the fortunes of those two states. 1451 – Sultan Mehmed II inherits the throne of the Ottoman Empire. 1488 – Bartolomeu Dias of Portugal lands in Mossel Bay after rounding the Cape of Good Hope, becoming the first known European to travel so far south. 1509 – The Portuguese navy defeats a joint fleet of the Ottoman Empire, the Republic of Venice, the Sultan of Gujarat, the Mamlûk Burji Sultanate of Egypt, the Zamorin of Calicut, and the Republic of Ragusa at the Battle of Diu in Diu, India.
October 27312 – Constantine is said to have received his famous Vision of the Cross. 1275 – Traditional founding of the city of Amsterdam. 1524 – French troops lay siege to Pavia. 1553 – Condemned as a heretic, Michael Servetus is burned at the stake just outside Geneva. 1644 – Second Battle of Newbury in the English Civil War. 1682 – Philadelphia is founded in the Commonwealth of Pennsylvania. 1775 – King George III expands on his Proclamation of Rebellion in the Thirteen Colonies in his speech from the throne at the opening of Parliament.
November 30978 – Franco-German war of 978–980: Holy Roman Emperor Otto II lifts the siege of Paris and withdraws. 1707 – Queen Anne's War: The second Siege of Pensacola comes to end with the failure of the British Empire and their Creek allies to capture Pensacola, Spanish Florida. 1718 – Great Northern War: King Charles XII of Sweden dies during a siege of the fortress of Fredriksten in Norway. 1782 – American Revolutionary War: Treaty of Paris: In Paris, representatives from the United States and Great Britain sign preliminary peace articles (later formalized as the 1783 Treaty of Paris).
January 31314 – Pope Sylvester I is consecrated, as successor to the late Pope Miltiades. 1208 – The Battle of Lena takes place between King Sverker II of Sweden and his rival, Prince Eric, whose victory puts him on the throne as King Eric X of Sweden. 1504 – The Treaty of Lyon ends the Italian War, confirming French domination of northern Italy, while Spain receives the Kingdom of Naples. 1578 – Eighty Years' War and Anglo-Spanish War: The Battle of Gembloux is a victory for Spanish forces led by Don John of Austria over a rebel army of Dutch, Flemish, English, Scottish, German, French and Walloons.
November 131002 – English king Æthelred II orders the killing of all Danes in England, known today as the St. Brice's Day massacre. 1093 – Battle of Alnwick: in an English victory over the Scots, Malcolm III of Scotland, and his son Edward, are killed. 1160 – Louis VII of France marries Adela of Champagne. 1642 – First English Civil War: Battle of Turnham Green: The Royalist forces withdraw in the face of the Parliamentarian army and fail to take London.
April 10428 – Nestorius becomes the Patriarch of Constantinople. 837 – Halley's Comet makes its closest approach to Earth at a distance equal to 0.0342 AU (5.1 million kilometres/3.2 million miles). 1407 – Deshin Shekpa, 5th Karmapa Lama visits the Ming dynasty capital at Nanjing and is awarded the title "Great Treasure Prince of Dharma". 1500 – Ludovico Sforza is captured by Swiss troops at Novara and is handed over to the French. 1545 – The settlement of Villa Imperial de Carlos V (now the city of Potosí) in Bolivia is founded after the discovery of huge silver deposits in the area.
1828January 4 – Jean Baptiste Gay, vicomte de Martignac succeeds the Comte de Villèle, as Prime Minister of France. January 8 – The Democratic Party of the United States is organized. January 22 – Arthur Wellesley, 1st Duke of Wellington succeeds Lord Goderich as Prime Minister of the United Kingdom. February 19 – The Boston Society for Medical Improvement is established in the United States. February 21 – The first American-Indian newspaper in the United States is published, named "Cherokee Phoenix".
20222022 saw the removal of nearly all COVID-19 restrictions and the reopening of international borders in most countries, and the global rollout of COVID-19 vaccines continued. The global economic recovery from the pandemic continued, though many countries experienced an ongoing inflation surge; in response, many central banks raised their interest rates to landmark levels. The world population reached eight billion people in 2022, though the year also witnessed numerous natural disasters, including two devastating Atlantic hurricanes (Fiona and Ian), and the most powerful volcano eruption of the century so far.
1814January 1 – War of the Sixth Coalition – The Royal Prussian Army led by Gebhard Leberecht von Blücher crosses the Rhine. January 3 War of the Sixth Coalition – Siege of Cattaro: French garrison surrenders to the British after ten days of bombardment. War of the Sixth Coalition – Siege of Metz: Allied armies lay siege to the French city and fortress of Metz. January 5 – Mexican War of Independence – Battle of Puruarán: Spanish Royalists defeat Mexican Rebels.
1980January 1980 January 4 – U.S. President Jimmy Carter proclaims a grain embargo against the USSR with the support of the European Commission. January 6 – Global Positioning System time epoch begins at 00:00 UTC. January 9 – In Saudi Arabia, 63 Islamist insurgents are beheaded for their part in the siege of the Great Mosque in Mecca in November 1979. January 14 – Congress (I) party leader, Indira Gandhi returns to power as the Prime Minister of India. January 20 – At least 200 people are killed when the Corralejas Bullring collapses at Sincelejo, Colombia.