Montana State Historical Society. | february 23, 2021 12:00 am. Established in 1865, the montana historical society is one of the oldest institutions of its kind west of the mississippi river.

Montana historical society offers new virtual tour of montana’s capitol. | february 23, 2021 12:00 am. Montana historical society, helena, mt.

Historical Facts About Puerto Rico. Puerto rico, originally known as borikén (land of the brave lord), was originally inhabited by the taino tribe. History in 1993, puerto rico celebrated the 500th anniversary of its discovery by colombus.

Territory—it’s been a territory of the united states since 1898, since it was ceded to the u.s. History in 1993, puerto rico celebrated the 500th anniversary of its discovery by colombus. Interesting facts about puerto rico.