| # | | 1969 - 57 years ago | | 1 | May 18, 1969  | 20th Century: 60s | Events | | May 18, 1969 Date of the Apollo 10 mission, the 4th manned mission to the moon. NASA detects the hosts' signal, later determined to be counting down to the Arrival.

| | 1980 - 46 years ago | | 2 | January 1, 1980  | 20th Century: 80s | Events | | January 1, 1980 Date on the photos that Katie uses to blackmail the doctor from the Green Zone. Obviously a default date for whatever video camera she used.

| | 2014 - 12 years ago | | 3 | June 12, 2014  | 21st Century: 10s | Events | | June 12, 2014 Date on Will and Katie's missing son Charlie's home run baseball.

| | 4 | November 13, 2014  | 21st Century: 10s | Events | | November 13, 2014 The Arrival: The mysterious occupying force known as the Hosts, invade Los Angeles and the rest of the world.

| | 5 | November 15, 2014  | 21st Century: 10s | Events | | November 15, 2014 Date that Jennifer was supposed to marry her fiance, Jason: Jennifer: I was supposed to get married the weekend after the arrival. But it didn't work out. Do you remember the first big terrorist bombing in Westwood? My fiance, uh, Jason, he was walking past there when it went off. He was on his way to work at UCLA hospital. He's a, he, was, an ER doc.

| | 2015 - 11 years ago | | 6 | July 27, 2015  | 21st Century: 10s | Events | | July 27, 2015 Day 256. Date of one of Luis Ortega's broadcasts that Will's son Bram recorded on cassette tapes - and Redhats found in his bedroom. Phyllis, as a favor to Will, destroys the box of tapes.

| | 7 | September 4, 2015  | 21st Century: 10s | Events | | September 4, 2015 Day 295. Date of one of Luis Ortega's broadcasts that Will's son Bram recorded on cassette tapes - and Redhats found in his bedroom. Phyllis, as a favor to Will, destroys the box of tapes.

| | 8 | September 10, 2015  | 21st Century: 10s | Events | | September 10, 2015 Day 301. Date of one of Luis Ortega's broadcasts that Will's son Bram recorded on cassette tapes - and Redhats found in his bedroom. Phyllis, as a favor to Will, destroys the box of tapes.

| | 9 | September 21, 2015  | 21st Century: 10s | Events | | September 21, 2015 Day 312. Date of one of Luis Ortega's broadcasts that Will's son Bram recorded on cassette tapes - and Redhats found in his bedroom. Phyllis, as a favor to Will, destroys the box of tapes.

| | 10 | September 26, 2015  | 21st Century: 10s | Events | | September 26, 2015 Day 317. Date of one of Luis Ortega's broadcasts that Will's son Bram recorded on cassette tapes - and Redhats found in his bedroom. Phyllis, as a favor to Will, destroys the box of tapes.

| | 11 | October 3, 2015  | 21st Century: 10s | Events | | October 3, 2015 Day 324. Date of one of Luis Ortega's broadcasts that Will's son Bram recorded on cassette tapes - and Redhats found in his bedroom. Phyllis, as a favor to Will, destroys the box of tapes.

| | 12 | October 8, 2015  | 21st Century: 10s | Events | | October 8, 2015 Day 329. Date of one of Luis Ortega's broadcasts that Will's son Bram recorded on cassette tapes - and Redhats found in his bedroom. Phyllis, as a favor to Will, destroys the box of tapes.

| | 13 | October 15, 2015  | 21st Century: 10s | Events | | October 15, 2015 Day 336. Date of one of Luis Ortega's broadcasts that Will's son Bram recorded on cassette tapes - and Redhats found in his bedroom. Phyllis, as a favor to Will, destroys the box of tapes.

| | 14 | October 17, 2015  | 21st Century: 10s | Events | | October 17, 2015 Day 337. Will imprisoned by Redhats while attempting to smuggle himself out of the bloc to look for his missing son Charlie.

| | 15 | October 18, 2015  | 21st Century: 10s | Events | | October 18, 2015 Day 338. Will returned home by the Redhats after agreeing to work for Snyder hunting down the resistance.

| | 16 | October 19, 2015  | 21st Century: 10s | Events | | October 19, 2015 Day 339. Snyder surprises Will and Katie by cooking breakfast in their home, and giving them permission to re-open their bar, the Yonk.

| | 17 | October 20, 2015  | 21st Century: 10s | Events | | October 20, 2015 Day 340. Will's friend Carlos arrested by Redhats. Will helps his family get to a safer location.

| | 18 | October 21, 2015  | 21st Century: 10s | Events | | October 21, 2015 Day 341. Luis Ortega makes another broadcast. Katie's first mission with the resistance. Will and Katie's bar, the Yonk, re-opens.

| | 19 | October 27, 2015  | 21st Century: 10s | Events | | October 27, 2015 Day 347. Phyllis and Will discuss the structure of the resistance. Katie fakes an attack on her home.

| | 20 | October 28, 2015  | 21st Century: 10s | Events | | October 28, 2015 Day 348. After Luis Ortega makes another broadcast, Will takes him into custody. Phyllis figures out that Katie is working for the resistance. Broussard kills Phyllis and her husband.

| | 21 | October 29, 2015  | 21st Century: 10s | Events | | October 29, 2015 Day 349. Resistance members place Geronimo posters in various areas of the LA Bloc.

| | 22 | October 30, 2015  | 21st Century: 10s | Events | | October 30, 2015 Day 350. The Redhats raid a suspected Geronimo hideout. They capture two people claiming to be Geronimo. Will begins to suspect Katie of working for the resistance.

| | 23 | October 31, 2015  | 21st Century: 10s | Events | | October 31, 2015 Day 351. Luis Ortega goes on trial.

| | 24 | November 5, 2015  | 21st Century: 10s | Events | | November 5, 2015 Day 356. Luis Ortega is found guilty of causing unrest, and is executed on live TV.

| | 25 | November 14, 2015  | 21st Century: 10s | Events | | November 14, 2015 Day 366. Anniversary of the Arrival - people all over the city release hot air balloons to remember those who were lost. Others riot, set fires, big fires, and kill Redhats.

| | 26 | November 15, 2015  | 21st Century: 10s | Events | | November 15, 2015 Day 367. Will and Beau convince Snyder to let them investigate beyond The Wall. Katie and Broussard participate in a resistance mission bombing a metro train carrying a VIP and take a Host captive.

| | 27 | November 16, 2015  | 21st Century: 10s | Events | | November 16, 2015 Day 368. Homeland Security starts a major search operation, looking for the missing host. After trying and failing to get his daughter to leave the bloc, Snyder gives the pass, intended for her, to Will. Will leaves for the Santa Monica bloc to find his son.

| | 28 | December 1, 2015  | 21st Century: 10s | Events | | December 1, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 29 | December 2, 2015  | 21st Century: 10s | Events | | December 2, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 30 | December 3, 2015  | 21st Century: 10s | Events | | December 3, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 31 | December 4, 2015  | 21st Century: 10s | Events | | December 4, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 32 | December 5, 2015  | 21st Century: 10s | Events | | December 5, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 33 | December 6, 2015  | 21st Century: 10s | Events | | December 6, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 34 | December 7, 2015  | 21st Century: 10s | Events | | December 7, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 35 | December 8, 2015  | 21st Century: 10s | Events | | December 8, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 36 | December 9, 2015  | 21st Century: 10s | Events | | December 9, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 37 | December 10, 2015  | 21st Century: 10s | Events | | December 10, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 38 | December 11, 2015  | 21st Century: 10s | Events | | December 11, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 39 | December 12, 2015  | 21st Century: 10s | Events | | December 12, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 40 | December 13, 2015  | 21st Century: 10s | Events | | December 13, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 41 | December 14, 2015  | 21st Century: 10s | Events | | December 14, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 42 | December 15, 2015  | 21st Century: 10s | Events | | December 15, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 43 | December 16, 2015  | 21st Century: 10s | Events | | December 16, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 44 | December 17, 2015  | 21st Century: 10s | Events | | December 17, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 45 | December 18, 2015  | 21st Century: 10s | Events | | December 18, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 46 | December 19, 2015  | 21st Century: 10s | Events | | December 19, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 47 | December 20, 2015  | 21st Century: 10s | Events | | December 20, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 48 | December 21, 2015  | 21st Century: 10s | Events | | December 21, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 49 | December 22, 2015  | 21st Century: 10s | Events | | December 22, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 50 | December 23, 2015  | 21st Century: 10s | Events | | December 23, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 51 | December 24, 2015  | 21st Century: 10s | Events | | December 24, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 52 | December 25, 2015  | 21st Century: 10s | Events | | December 25, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 53 | December 26, 2015  | 21st Century: 10s | Events | | December 26, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 54 | December 27, 2015  | 21st Century: 10s | Events | | December 27, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 55 | December 28, 2015  | 21st Century: 10s | Events | | December 28, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 56 | December 29, 2015  | 21st Century: 10s | Events | | December 29, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 57 | December 30, 2015  | 21st Century: 10s | Events | | December 30, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

| | 58 | December 31, 2015  | 21st Century: 10s | Events | | December 31, 2015 Date of code written on the calendar that Katie and Broussard find in the Los Angeles' resistance cell's headquarters.

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