1147 After a siege of 4 months crusader knights led by Afonso Henriques, reconquered Lisbon.
1147 The Portuguese, under Afonso I, and Crusaders from England and Flanders conquer Lisbon after a four-month siege.
1493 Explorer Christopher Columbus arrives back in Lisbon, Portugal, aboard his ship Niña from his voyage to what is now The Bahamas and other islands in the Caribbean.
1499 Portuguese explorer Nicolau Coelho returns to Lisbon, after discovering the sea route to India as a companion of Vasco da Gama.
1500 The fleet of Pedro Alvares Cabral leaves Lisbon for the Indies. The fleet will discover Brazil which lies within boundaries granted to Portugal in the Treaty of Tordesillas.
1502 Vasco da Gama sets sail from Lisbon, Portugal, on his second voyage to India.
1531 Lisbon, Portugal is hit by an earthquake--thousands die.
1541 Francis Xavier leaves Lisbon on a mission to the Portuguese East Indies.
1588 The Spanish Armada, with 130 ships and 30,000 men, sets sail from Lisbon heading for the English Channel. (It will take until May 30 for all ships to leave port).
1588 The last ship of the Spanish Armada sets sail from Lisbon heading for the English Channel.
1709 Bartolomeu de Gusmão demonstrates the lifting power of hot air in an audience before the King of Portugal in Lisbon
1755 Lisbon earthquake: In Portugal, Lisbon is destroyed by a massive earthquake and tsunami, killing between sixty thousand and ninety thousand people.
1820 Constitutionalist revolution in Lisbon, Portugal.
1908 King Carlos I of Portugal and his son, Prince Luis Filipe are killed in Terreiro do Paco, Lisbon.
1919 A naval Curtiss aircraft NC-4 commanded by Albert Cushing Read leaves Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight.
1919 The NC-4 aircraft arrives in Lisbon after completing the first transatlantic flight.
1921 Portuguese Prime Minister António Granjo and other politicians are murdered in a Lisbon coup.
2001 Air Transat Flight 236 runs out of fuel over the Atlantic Ocean (en route to Lisbon from Toronto) and makes an emergency landing in the Azores.