455
Morgoth breaks the Siege of Angband. His forces make inroads into Beleriand in the Battle of Sudden Flame. Gondolin remains hidden. Turgon sends messengers to Sea seeking the help of the Valar but they are unsuccessful.
456
Fingolfin is killed in single combat with Morgoth. His body is brought by Thorondor to a mountain overlooking Gondolin and he is buried by Turgon.
458
Hurin and Huor become lost near Gondolin and are brought before Turgon by the Eagles. They remain in Gondolin for about a year and then are permitted to leave.
468
Turgon begins to prepare his forces for battle when he learns that Maedhros, son of Feanor, is forming an alliance against Morgoth.
472
Turgon leads an army of 10,000 to the Battle of Unnumbered Tears. Turgon's brother Fingon is killed and Turgon becomes High King of the Noldor. Turgon returns to Gondolin. Hurin is captured and refuses to reveal Gondolin's location to Morgoth. Huor is killed and his wife gives birth to Tuor at home in Hithlum.
473
Turgon sends messengers in search of the Valar in seven ships built by Cirdan but they are unsuccessful.
495
Tuor leaves Hithlum under Ulmo's guidance and comes to Vinyamar where he finds the armor left by Turgon. Ulmo appears to Tuor and tells him to go to Gondolin. He is guided by Voronwe of Gondolin, the sole survivor of the ships sent by Turgon into the West. Tuor is admitted to Gondolin and delivers Ulmo's warning that the Elves should abandon their city but Turgon decides to remain. The Hidden Way is blocked.
500
Hurin is released by Morgoth after 28 years of captivity.

501
Hurin unsuccessfully seeks the entrance to Gondolin and unwittingly reveals the city's general location to Morgoth.
502
Marriage of Tuor and Idril.
503
Birth of Earendil, son of Tuor and Idril.
509
Maeglin is captured and reveals Gondolin's exact location to Morgoth and is promised Idril and the lordship of Gondolin in exchange.
510
Gondolin is attacked by Morgoth's forces and the city is destroyed. Turgon is killed. Tuor, Idril, and Earendil escape with other survivors.
511
Tuor, Idril, Earendil and the other survivors settle at the Havens of Sirion.
525
Tuor and Idril depart into the West.
542
Earendil reaches the Undying Lands and asks the Valar to help defeat Morgoth. Earendil sails the heavens bearing a Silmaril, appearing as the Star of Hope to the peoples of Middle-earth.
545-587
The Host of the Valar fight the forces of Morgoth in the War of Wrath.
590
Morgoth is banished from the world. End of the First Age.

呃感谢您的热心！不过这是指环王吧进行吧内翻译活动所用的内容，已经有人认领了，所以我很好奇您是如何百度得如此精准到这里然后直接开始翻译。。

草草看了下，您似乎习惯译林的译名。。而且“depart into the west”翻译成“二人分离，Earandil前往西方”更好？不然很容易引起歧义。。@BenjiaminX 不过总体翻译的很好啊

如果能多断句更好。。