Today in history: On May 28, 1830, President Andrew Jackson signed the Indian Removal Act, which forced nearly 50,000 Native Americans to relocate to designated territories west of the Mississippi River. Also on this date: In 1863, the 54th Massachusetts Volunteer Infantry Regiment, made up of free Black men, left Boston to fight for the Union in the Civil War. In 1892, the Sierra Club was founded in San Francisco by naturalist John Muir. In 1918, American troops fought their first major battle