From The Annals of Círdan
Herein are collected the events of Cemendur Siriondil's life, such as is known, with reference to the events related in those tales known as Fire from the Sea, The Gift of Men and Aglahad and the Dead City. To give some historical context, pertinent entries from the Tale of Years (as set out by Prof Tolkien) have been collated and are shown in italics. Where the date of such entries is unspecified in the Tale of Years, it is here confirmed and is left unitalicized.
YEARS OF THE TREES
1050 Magunzigil, Father of the Broadbeam Dwarves of Belegost created by Aulë
1100 Belegost founded
1300 Menegroth founded
1348 Magunzigil dies; second Lord of Belegost crowned
1496 Cemendur Siriondil born in Tol Galen to parents who were among first of the Nandor to cross the Blue Mountains, lives peacefully in Ossiriand for many years
1497 First Battle of Beleriand; Return of the Noldor; Battle under Stars; Siriondil meets Caladuin for the first time after they both go home to Tol Galen
1500 Creation of the Sun and Moon; end of the Years of the Trees
FIRST AGE
1 With the first rising of the Sun, Siriondil grows restless and travels southern Beleriand, reaching the Mouth of the Gelion
60 He accompanies Caladuin to Nogrod
79 Siriondil leaves Nogrod, travels to Nargothrond
233 He returns to Ossiriand
257 Azaghâl born
335 Siriondil serves Finrod in Nargothrond
375 Battle of the Gelion-Ascar Stockade; Siriondil serves the Haladin in recompense for their previous ill treatment by his people
414 Siriondil travels to Brithombar, meets Caladuin for the last time
439 Azaghâl crowned 17th Lord of Belegost
444 Azaghâl's son, Bodruith is born
459 Glamdring and Orcrist forged in Gondolin
460 Death of Caladuin
472 Nirnaeth Arnoediad, death of Azaghâl; Bodruith is crowned Lord of Belegost
475 Círdan begins the Annals of Balar
495 Siriondil survives the Sack of Nargothrond, escapes to Andrath
506 He meets Tathariel for the first time; Second Kinslaying, death of Dior
508 Siriondil serves as healer at the Mouth of the Sirion
510 Fall of Gondolin; Glamdring used by Glorfindel to kill a Balrog; after he too is slain, Tuor takes up the sword
511 Tuor, Idril, Eärendil and other refugees from Gondolin arrive at the Mouths of Sirion; Siriondil meets Eärendil
525 Eärendil weds Elwing; Eärendil's father Tuor gives him Glamdring
534 Eärendil takes Glamdring with him to Valinor
587 Destruction of Beleriand; death of Ancalagon
590 The War of Wrath ends; Morgoth cast out into the Void; end of First Age; Lord Bodruith is killed in the Ruin of Belegost
SECOND AGE
1 Founding of Lindon; Siriondil settles in Forlond, becoming a chronicler and archivist in the service of Círdan
2 Gostir settles in Belegost
40 Belegost abandoned; most of the Firebeard and Broadbeam clans migrate to Khazad-dûm
600 First ships from Númenor arrive in Lindon
750 Lond Daer founded
770 Tharbad founded
900 Widescale deforestation of Minhiriath begins; First Haladin Uprising
1200 Númenóreans begin to construct permanent havens in Middle-earth; Siriondil is in Mithlond when Annatar meets Gil-galad
1203 Siriondil visits Tharbad for first time; he is caught up in the Second Haladin Uprising, in which Governor Ostoher is slain; the rebellion is ultimately unsuccessful as Númenórean logging continues and increases over the following centuries; most of the Haladin leave Tharbad and settle in the Deep Forest
1600 Deforestation of Minhiriath and Enedwaith almost complete
1693 War of the Elves and Sauron begins; Siriondil serves as healer in Lindon and Eregion
1695 Sauron invades Eriador; orcs start a campaign of burning the remaining forest
1697 Sack of Eregion; death of Celebrimbor; Imladris founded; Khazad-dûm closes
1699 Sauron overruns Eriador; by this time, almost all of Minhiriath's forests have been destroyed
1700 Battle of Gwathló; Tharbad partially destroyed
1701 Sauron driven from Eriador; Siriondil travels to Rivendell
1702 He returns to Lindon from Eregion via Tharbad
1731 Tharbad slowly rebuilt, mainly Haladin population with Númenórean governor
1950 Gostir dies
2350 Pelargir is built
2449 Siriondil sails to Pelargir
3320 Arnor and Gondor founded; Siriondil serves Gondor as a healer; Tharbad grows in size as an important inland port; Bridge of Tharbad and walls built
3325 Tharbad becomes a garrison of soldiers, mariners and engineers
3430 Last Alliance of Elves and Men founded
3434 Siriondil serves in the Battle of Dagorlad as a healer
3441 Defeat of Sauron at the Siege of Barad-dûr; end of Second Age
THIRD AGE
1 Siriondil serves Gondor as a healer and chronicler
231 He travels to Imladris, where he meets Elladan and Elrohir for the first time
861 Death of King Eärendur; Arnor is divided into Arthedain, Rhudaur and Cardolan; Amlaith of Fornost becomes the first King of Arthedain; Siriondil serves Prince Amdir of Cardolan as a healer and advisor
862 Barrow Downs become capital of Cardolan
1300 Witch-king founds Angmar
1356 Siriondil returns to Lindon
1409 The Witch-king invades Arnor; Cardolan is ravaged; Tharbad overrun by evil Men from Angmar; Siriondil returns to the service of Amdir until the Prince is slain; Dúnedain flee Tharbad for the Barrow Downs
1415 Elves from Lindon subdue Witch-king; Tharbad retaken and resettled
1637 The Great Plague; Tharbad is depopulated
1820 Haladin farmers settle in the ruins of Tharbad
1851 Battle for Cardolan
1852 Siriondil's service in Angmar Wars ends
1900 He settles near Tharbad
1903 Tharbad attacked by wights from Talath Gorthad; Bridge of Tharbad destroyed by Corsairs
1952 Siriondil returns to Lindon
1974 He serves as healer during the Battle of Fornost, Angmar destroyed; end of the Kingdom of Arnor; Tharbad becomes a free town, inhabited mainly by Haladin
1980 Durin's Bane awakes in Khazad-dûm; Rangers and other Dúnedain settle in Tharbad
1981 Death of Náin I; Dwarves flee Moria
1999 Erebor founded
2035 Birth of Thorin I
2050 Death of Eärnur, last King of Gondor; Mardil becomes the first Ruling Steward of Gondor; Siriondil travels to Pelargir by ship
2063 Sauron flees Dol Guldur; the Watchful Peace begins
2071 Siriondil begins his service in the House of Dol Amroth
2460 Sauron returns to Dol Guldur; the Watchful Peace ends
2463 The One Ring discovered by Déagol who is slain by Sméagol
2480 Orcs make secret strongholds in the Misty Mountains; Sauron sends Orcs to Moria
2570 Dragons appear in the North
2590 Following the War of the Dwarves and Dragons, Thrór returns to Erebor and becomes King under the Mountain; Grór establishes his realm in the Iron Hills
2644 Birth of Thrain II
2670 Pipe-weed introduced in South Farthing
2710 Dunlendings capture Isengard; Lóni and Lofar born
2740 Tharbad is fortified; orcs invade Eriador; Siriondil travels to Lindon via Tharbad
2746 Birth of Thorin Oakenshield
2748 Orcs driven from Eriador
2757 Birth of Argonui
2758 Corsairs from Umbar attack Gondor; Siriondil called to Minas Tirith to serve as healer
2759 Saruman settles in Isengard; Siriondil returns to Dol Amroth
2770 Smaug descends on Erebor
2785 Girion, father of Aglahad born
2790 Thrór slain by orcs in Moria
2793 War of the Dwarves and Orcs begins
2799 Battle of Nanduhirion
2802 Founding of Thorin's Halls
2810 Siriondil given leave to return to Lindon
2824 Birth of Finduilas, Ranger of the North
2827 Birth of Aglahad
2840 Siriondil returns to Dol Amroth by ship, meets Aglahad for first time
2841 Thráin II sets out to revisit Erebor
2845 He is captured and the Ring of Durin is taken from him
2848 Death of Arathorn I; Argonui becomes Chieftain of the Dúnedain
2849 Cirdan and Elrond learn that Glamdring is in Belegost; orcs from Angmar begin to invade parts of northern and western Eriador
2850 In search of Thráin II, Gandalf explores Moria; he travels to Dol Guldur; death of Thrain II; Siriondil passes through Tharbad; Aglahad and Siriondil enter Belegost; Glamdring and Orcrist recovered
2859 Girion becomes the eighteenth Prince of Dol Amroth
2866 Birth of Aglahad's son, Angelimir
2899 Death of Girion; Aglahad becomes the nineteenth Prince of Dol Amroth
2912 Devastating floods in Minhiriath and Enedwaith; Tharbad abandoned; death of Chieftain Argonui
2932 Death of Aglahad
2941 Gandalf meets Thorin Oakenshield in Bree; the Quest of Erebor; Gandalf finds Glamdring in a cave in the Trollshaws
3019 Gandalf slays Durin's Bane