Shackleton offers his ship and crew to British government for war effort
After Shackleton receives one-word telegram from Admiralty ("Proceed"), Endurance departs Plymouth
With final crew on board, Endurance leaves Buenos Aires, Argentina for South Georgia
Departs Grytviken whaling station, South Georgia - last time crew would touch land for 497 days
Enters the Antarctic pack ice
Endurance crosses Antarctic Circle
First sighting of Antarctic continent (Coats Land)
Endurance becomes stuck in the pack ice
Drifts to 77th parallel in Vahsel Bay, farthest south the ship will reach
Shackleton orders halt to ship routine
Sun vanishes for season, not to reappear for four months
Crew celebrates Midwinter's Day with a feast
Frank Hurley takes famous nighttime photos of Endurance
Pressure ice makes the Endurance, according to Perce Blackborow, "literally [jump] into the air and [settle] on its beam."
At 5 p.m., Shackleton gives order to abandon the Endurance
After futile, three-day attempt to march over the ice, Shackleton has crew erect Ocean Camp
With a cry of "She's going, boys!" Shackleton and his crew watch Endurance sink
Crew again begins march toward open water, averaging just a mile and a half a day
Shackleton abandons march, sets up Patience Camp
Expedition Ended
Blizzard blows the camp north across Antarctic Circle
In honor of Leap Year Day, crew enjoys three full meals
On Shackleton's orders, the crew shoots the remaining dogs (originally numbering 69) and eats the younger ones
The ice floe they are on splits in two, separating them from the three lifeboats, but they get them back
Elephant Island appears on the horizon
Crew goes to sea in the three lifeboats, the James Caird, the Dudley Docker, and the Stancomb Wills
After seven grueling days at sea, lifeboats land safely on Elephant Island
Shackleton moves camp seven miles to the west, to a spot that comes to be known as Cape Wild—after Frank Wild, who found it
Shackleton announces that he will attempt to sail the 22-and-a-half-foot James Caird 800 miles to South Georgia
Shackleton departed with 5 others to South Georgia in James Caird
After 17 days in stormy seas, and with superior navigation by Frank Worsley, the James Caird miraculously arrives on the west coast of South Georgia
Shackleton, Worsley, and Crean set off to cross South Georgia's glacier-clad peaks to east-coast whaling stations
Having trekked without a break for 36 hours over glacier-clad mountains thousands of feet high, Shackleton, Worsley, and Crean arrive at Stromness whaling station
Shackleton, Worsley, and Crean depart on the English-owned Southern Sky to rescue men on Elephant Island, but are stopped by ice 100 miles short of the island