SubWorld/Timeline

2019

 * Global Sea Level begin to rise by small amounts, with unexplained acceleration in the melting on the Earth's ice caps. The Great Rise begins.

2020

 * Sea Levels rise above 200ft, submurging low lying coastal regions, and flooding almost the entire Netherlands.
 * The Global Commonwealth for Disaster Management is created, with an Alliance between the worlds major powers. The commonwealth proposes the plan of constructing vast aerial cities for the preservation of humanity. Major powers agree as mass panic spreads.
 * The Yutanyi Corporation is formed, and assists with construction of the aerial cities.

2022

 * Construction begins on the new 'floating cities' of Bellerophon, Sinhon, Haven and Ariel.
 * World governments hand over power the the Global Commonwealth for Disaster Management. Global Martial Law ensues.

2026

 * Construction of Jiangyin begins.

2038

 * Construction of Haven and Bellerophon is completed. As people begin to move in.
 * Construction of Pacifica and Memphis begins.

2039

 * Construction of Sinhon is completed.

2040

 * The Great Rise ends, with most of the world completely submurged, excluding mountainous regions, such as the Rocky Mountains, and the Himalayas.
 * Construction of Newhope begins.
 * The first Skyships come about.
 * The Bellerophon Allied Skyship Corporation is formed.

2047

 * Construction of Jiangyin is completed.

2048

 * The construction of Newhope, and its surrounding mining outposts are completed.

2051

 * The city of Ariel, is officially completed, becoming the largest city in the world, and the capital of the Global Commonwealth.
 * The Global Commonwealth for Disaster Management becomes the Global Commonwealth of Allied Cities.

2067

 * The Warehouse Class Freighter Series 1 is released by the Bellerophon Allied Skyship Corporation.

2070

 * The Warehouse Class Freighter Series 2 is released by the Bellerophon Allied Skyship Corporations.