2519

2519 was a year in the 2510s in the 26th century.

June
June 3
 * Taylor H. Miles is born in Losantiville, Seven Hills, on Mars.

July
July 12
 * At 0630 hours, the Spartan-IIs, in their second year of training, are sent to the Military Wilderness Training Preserve in the snowcapped mountain range on Reach.
 * From 0645 to 0801 hours, John-117 explores the forest until joining up with the rest of Spartans.
 * At 2104 hours, the Spartans have returned to the Reach Naval Academy after stealing an Albatross dropship. John-117 earns the status of Squad Leader.

October
October 31
 * The Sangheili Usze 'Taham is born on Sanghelios.

Unknown
18 months after September 2517
 * Naomi Sentzke's flash clone dies. Lena Sentzke is sterilized soon after.

6 months after Lena Sentzke is sterilized
 * Lena Sentzke commits suicide.