… of the world's first state and national parks at Yosemite and Yellowstone in 1864 and 1872; the invention of the world's first land trust in Massachusetts in 1891; and the … of the world's first state and national parks at Yosemite and Yellowstone in 1864 and 1872; the invention of the world's first land trust in Massachusetts in 1891; and the … of the world's first state and national parks at Yosemite and Yellowstone in 1864 and 1872; the invention of the world's first land trust in Massachusetts in 1891; and the …