Author's Note: Here's a brief timeline of events that I've calculated out (hopefully accurately) in case anyone is confused by the story's chronology. Hope this helps!
1926 – Rick and Evelyn meet, go on their first adventure, and get married.
1927 – Alex is born on the twenty-eighth of August.
1928 – Helena is born on the fourteenth of January.
1940 – The Pallworth plane crash in the Andes causes a media riot—Helena, having been left home in Philadelphia with the flu, is now the only surviving member of the immediate family.
September 1944 – Alex enrolls at Brigadier-Lial Academy and romances Helena Pallworth.
June 1945 – After graduation, the two part for yet to be explained reasons.
1946 – The O'Connells fight the Dragon Emperor. Alex and Lin fall in love and get engaged. Jonathan moves to Cuzco and opens a nightclub, Shangri-La.
1947 - Rick and Evelyn, coming to the realization that they're not ready to retire, return to Egypt so that she can curate the Cairo Museum and he can continue working for the CIA as a foreign intelligence agent.
June 1949 – Alex and Lin, still engaged, graduate from Oxford with degrees with History and Literature, respectively. Immediately after, they jet off to Peru on invitation from UPenn.