This map, published near the end of World War I, was drawn in the year the United States established its time zones as we know of them today, as well as daylight saving time.
The United States postal service began offering airmail service between Washington, DC, New York, and Philadelphia in 1918.
A 7.5 earthquake occurred on October 11, 1918 with a vast tsunami wave that nearly flattened several towns of Puerto Rico.
A popular steamship operated by the Canadian Pacific Railway, the Pricess Sophia, ran aground during a storm and sank off the coast of Alaska in 1918, killing over 350.
The relief map was published in 1918 by the National Railway Publication Company. It shows cities, towns and waterways. Railroad and steamer routes are clearly indicated.
Insets include Central America showing the Panama Canal, Alaska, the Philippine Islands, Hawaii, Guam, Wake Island, Howland and Baker Islands, Samoa, and Tutuila Island.