From the mid-1850s the Australian...
While the Canadians were expanding...
In 1874, gold was discovered in the...
The 1849 Mexican-American War had...
By the 1870s polar exploration was...
By 1883, Chile was the clear victor...
In the Canadian northwest, tensions...
In April 1885 the United States...
In the late nineteenth century...
By 1890, American Indian resistance...
For more than a century, Denmark's...
The overthrow of the Empire of...
