Here is the detailed chronicle of Krynn:
The Time of Darkness
1-300AC
Famine and plague of the Shadow Years; persecution of the Knights of Solamnia; appearance of Zhakar dwarves; beginning of the Seeker movement.
3-140AC
Takhisis finds Temple of Istar in the Abyss.
39AC
The Dwarfgate War ensues when the dwarves of Thorbardin bar their gates against refugees.
141AC
Using the Foundation Stone from the ruined Temple of Istar, Takhisis opens a gateway to Krynn.
142-152AC
Takhisis wanders the land awakening Evil dragons, then returns to the Abyss to gather her forces.
157AC
Berem and Jasla discover the Foundation Stone and inadvertently close the gate.
203AC
Birth of Flint Fireforge.
210AC
Takhisis discovers she is trapped in the Abyss.
249AC
Birth of Tanis Half-Elven.
271AC
Birth of Laurana (Lauranalanthalasa) of the House of Solostaran.
287AC
Evil dragons steal the Good dragon eggs.
296AC
Takhisis forces the metallic wyrms to swear not to interfere with her upcoming war.
300-320AC
Minions of Takhisis seek Berem in vain.
307AC
Birth of Jasper Fireforge, Flint's nephew.
313AC
Birth of Tasslehoff Burrfoot.
318AC
Birth of Kitiara Uth Matar.
319AC
Birth of Riverwind.
322AC
Birth of Goldmoon and Sturm Brightblade.
324AC
Birth of Sara Dunstan.
326AC
Birth of twins Caramon and Raistlin Majere.
332AC
Birth of Tika Waylan.
The Time of Dragons
332-340AC
Evil dragons ally with Dragon Highlords.
334AC
Birth of Ariakan.
337AC
The Evil of the Foundation Stone spreads to nearby lands.
341AC
Neraka offers an alliance to neighboring realms. All of them accept, as refusal means death.
342AC
Draconians are created from corrupted eggs of Good dragons.
343-347AC
Dark generals train dragonarmies as well as human rogues, goblins, hobgoblins, and ogres.
344AC
Birth of Steel Brightblade.
346AC
The future Heroes of the Lance begin their search for any sign of the lost gods in the world.
348AC
The War of the Lance begins as the dragonarmies overrun much of eastern Ansalon.
349AC
Attack on Silvanesti; birth of Lorac's Nightmare.
350AC
The dragonarmies rebuild their forces from the folk they have conquered-most of eastern Ansalon.
351AC
By year's end, much of Ansalon has fallen. Goldmoon and Riverwind reveal the Staff of Mishakal to the Heroes of the Lance.
352AC
The Whitestone Council; presentation of dragonlances. Battle of the High Clerist's Tower; death of Sturm Brightblade. Metallic dragons help turn the tide. Ariakan taken prisoner. The Heroes of the Lance journey with Berem to Neraka; Flint Fireforge dies. Reuniting his stolen gem with the Foundation Stone, Berem destroys Takhisis's gateway to Krynn.
353AC
War of the Lance ends. A group of draconians steals several Good dragon eggs and flees south.
353-357AC
The forces of Good work to destroy all remaining dragonarmies.
355AC
Lord Gunthar Uth Wistan becomes Grand Master of the Knights of Solamnia and orders an update of the Measure of the Knighthood.
356AC
Raistlin and Caramon Majere journey into the past to change history and challenge the Dark Queen.
357AC
The Blue Lady's War; release of Lord Ariakan; conception of the idea of the Knights of Takhisis.
358AC
Raistlin holds off the Dark Queen; Caramon seals the Portal of the Abyss. Tanin Majere is born.
359AC
Birth of Sturm Majere.
360AC
Qué-Shu is rebuilt. A daughter, Moonsong, is born to Riverwind and Goldmoon there.
361AC
The infant Usha arrives at the Irda isle, and Goldmoon gives birth to a daughter, Brightdawn.
362AC
Silvanesti queen Alhana Starbreeze marries Qualinesti heir Porthios. Palin Majere is born.
366AC
Gilthas is born to Tanis and Laurana.
370AC
Lord Ariakan oversees the official investiture of the first Knights of Takhisis.
373-374AC
Laura is born to Caramon and Tika, followed the next year by Dezra.
378AC
Tanis Half-Elven and Caramon visit Storm's Keep. Steel Brightblade becomes a Dark Knight.
380AC
The scattered tribes of Abanasinia now look for leadership to Riverwind and Goldmoon of Qué-Shu.
381AC
The Wizard's Conclave sends a group to Storm's Keep to attack the Gray Knights of Takhisis.
382AC
Porthios ends Lorac's Nightmare. Elf elders force Gilthas, to become speaker. Alhana Starbreeze is imprisoned; Porthios and Alhana become dark elves. Lord Gunthar retires. Sir Thomas of Thelgaard commands the High Clerist's Tower. Tanin and Sturm Majere are the first non-Solamnics in the Knighthood.
383AC
Chaos freed; Majere deaths; Palin held prisoner; Raistlin released; Dark Knight conquest; Tanis Half-Elven deaths.
0
The Second Cataclysm begins; Rift opens, releasing creatures of Chaos. At the High Clerist's Tower, Chaos forces kill all but Steel Brightblade's unit and some Solamnic prisoners; Lord Ariakan dies; Takhisis withdraws. The Chaos War continues as Palin and Knights fight Chaos in the Abyss. Tasslehoff Burrfoot stabs Chaos; Usha catches his blood in the Graygem, forcing Chaos to depart. But, other gods also must leave. With the absence of gods and subsequently magic, from the moons, Krynn enters a whole new Age.