"The Machine" & "The Time" Timeline

June 13, 1499: Adam woke up stranded in a Shawnee village on this date.
November 25 - 26, 1508: Chapter LIV, Adam returns back to Equestria.
September 2, 1855: Henry Wotton was born.
April 15, 1865: Adam Gray was born at his family's apple orchard in Tennessee
February 12, 1875: Mary Oak was born
August 1883: Mary Oak showed an early interest in reading; Adam left for university
November 1883: Adam tried and failed at dating.
1885: Adam meets an old childhood friend.
September 1887: Adam meets Nikola Tesla and started working for him.
June 1888: Mary was refused entry into Equestrian events; Adam's work for Tesla ended.
1888-1893: Adam spent the next few year touring across the United States and the world, playing piano for a vaudeville trope.
November 1893: Adam settles down in Athens, Ohio.
June 1894: Adam and Mary first meet.
December 25, 1894: Adam and Mary consummate their relationship.
December 13, 1895: Adam proposes to his girlfriend Mary Oak, but she gets murdered shortly afterwards. Adam would go back to this date multiple times in his vain attempts to change the past.
August 13, 1899: Adam leaves for the future from this date.
September 10, 1899: The day everyone accepted that Adam might not return home.
September 2, 1945: Henry celebrated his 90th birthday on V-J Day with his family
July 5, 1946: Henry Wotten died peacefully in his sleep, Adam leaves behind his journal.
July 6, 1946: Henry's son Edward discovered the journal Adam left behind.
September 18, 1947: Project Chronos is initiated by President Harry S. Truman to study the military applications of time travel, headed by Edward Wotton. They soon would start periodically sending military expeditions to the future.
September 12, 1951: Last military expedition never returns, assumed dead. All time travel is suspended, but time machines are still maintained and occasionally produced in case of need.
1970: Zechariah Altmann was born in Israel.
1975: Danni was born.
September 22, 1979: Using plans borrowed from the United States, Israel built their own time machine.
November 18, 1985: Danni's father, a police officer and a highly decorated member of US Special Forces, was killed by a meth addict.
March 7, 1999: Danni Matthews leaves this date for the future.
June 11, 1999: Zechariah leaves this date for the future.
June 11 - 12, 1999: Chapter LII
July 16, 1999: Project Chronos is formally terminated. France, Israel, United Kingdom and United States destroy all of their machines, Russia secretly keeps theirs.
February 20, 2020: Watson Model #581160 was first activated at Athens, Ohio public library. One of the first books he looks up was 'Green Eggs & Ham' by Dr. Seuss.
July 1, 2040: Adam visits the year and meets Watson.
April 15, 2047: Adam sees the end of human civilization on this date. Watson recommended his last book 'Book of Common Prayer', and with no humans around, goes into a millennia long sleep mode.
1601200 CE (2700 BAC): Fundor becomes the first dragon and non-human to win the title of Dragon Lord, shortly afterwards rediscovers Watson.
1603147 CE (753 BAC): The three pony tribes unite to form a confederation called 'Equestria'. Almost all Windigos are killed off after being blamed for the climatic shift.
1603391 - 1603900 (509 - 0 BAC): The confederation becomes a 'magascracy', rule by, usually female, unicorn mages and elites.
1603851 - 1603900 (49 - 0 BAC): Discord began his chaotic influence on the world. He gradually became more powerful and more influential during this time.
1603873 (27 BAC): Probable birth year of Celestia and Luna who were born to King Galactic, in an unknown faraway Alicorn kingdom outside of Equestria.
0 Anno Concordia (1603900 CE): Year Celestia and Luna come to power after defeating Discord.
476 - 480 AC (1604376 - 1604380 CE): Dragon-Pony war. Many old dragon lands were captured by Equestria, Watson comes under the possession of Celestia.
500 AC (1604400 CE): Luna becomes Nightmare Moon, is then banished by Celestia.
518 - 602 AC (1604418 - 1604502 CE): Humans of the United States military would periodically visit, specifically in Zebrafrica, they also leave behind a nuclear bomb.
602 AC (1604502 CE): Sensing a negative influence of humans in Equestria, Celestia ordered her troops to kill all of the time travelling humans. She later forms the Brotherhood of the Fourth Sphere to cover-up all existence of humans, and keeps the nuclear bomb to herself hidden away. Humans are still revered in zebra culture.
1427 AC (1605327 CE): An Earth pony archaeologist is murdered for discovering the remains of human civilization
1477 AC (1605377 CE): Applejack was born.
1479 AC (1605379 CE): Fluttershy was born. All of Fluttershy's wine come from this year. Trixie was also born during this year raised by her mother, a voodoo priestess.
1480 AC (1605380 CE): Pinkamena Pie and Starlight Glimmer were born.
1481 AC (1605381 CE): Rainbow Dash and Rarity were born.
1482 AC (1605382 CE): Twilight Sparkle was born.
1489 AC (1605389 CE): The mane six earn their cutie marks; Pinkamena becomes Pinkie Pie.
1500-1501 AC (1605400-1605401 CE): Events of Friendship is Magic Season 1
1501-1502 AC (1605401-1605402 CE): Events of Friendship is Magic Season 2

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October 10, 1605402 CE (1502 AC): Adam arrives on this date.
October 1502 AC (1605402 CE): Chapters IV & V
November 1502 AC: Chapters VI thru XI
December 1502 AC: Chapters XII thru XIV
January 1503 AC (1605403 CE): Chapters XV thru XVII
February 1503 AC: Chapters XVIII & XIX
March 1503 AC: Chapters XX thru XXII
April 1503 AC: Chapters XXIII thru XXIX
Summer 1503 AC: Chapters XXX thru XXXIX
April 1504 AC (1605404 CE): Rainbow Dash's son Zap was born.
July 1504 AC: Chapters XL thru XLII
August 1504 AC: Chapters XLIII thru XLV
September 1504 AC: Chapters XLVI thru XLIX
October 1504 AC: Chapters L thru LII
October 1504 AC - July 1505 AC: Chapter LIII
July 1505 AC (1605405 CE): Chapter LV

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June 21, 1270855620 CE: An alternate far future ruled by Changelings.

Ages of the Mane Six as of 1505 AC:
Applejack: 28
Fluttershy: 26
Pinkie Pie: 25
Rarity: 24
Rainbow Dash: 24
Twilight: 23