July 1 — Duck Stamp Born (1934)
July 2 — Morrill Act Created Land-Grant Universities (1862)
July 3 — The Great Auk Went Extinct (1844)
July 4 — Stephen Mather, Founding Director of the National Park Service, Born (1967)
July 5 — Yoshimaro Yamashina and Ernst Mayr, Ornithologists, Born (1900, 1904)
July 6 — Maria Martin, Naturalist and Author, Born (1796)
July 7 — Alaska Admitted as a State (1958)
July 9 — Starbucks Abandoned Plastic Straws (2018)
July 10 — Rainbow Warrior Bombed and Sunk (1985)
July 11 — World Population Day
July 12 — Herbert Zim, Creator of “Golden Guides,” Born (1909)
July 13 — Source of the Mississippi River Discovered (1832)
July 14 — George Washington Carver National Monument Established (1943)
July 15 — Emmeline Pankhurst, British Suffragette Leader, Born (1858)
July 16 — UNESCO Added Giant Panda and Shark Sanctuaries to World Heritage List (2006)
July 17 — Handel’s “Water Music” Premiered (1717)
July 18 — Gilbert White, the “First Ecologist,” Born (1720)
July 19 — Sagarmatha National Park, Nepal, Created (1976)
July 20 — Annual “Swan Upping” on the Thames River
July 20 — Gregor Mendel, Pioneering Geneticist, Born (1822)
July 21 — Aswan High Dam Opened (1970)
July 23 — Commercial Whaling Banned (1982)
July 24 — Machu Picchu Discovered (1911)
July 25 — Jim Corbett, Tiger Conservationist, Born (1875)
July 26 — James Lovelock, Originator of Gaia Theory, Born (1919)
July 27 — Przewalski’s Horse Gave Birth by Artificial Insemination (2013)
July 28 — Beatrix Potter, Author and Conservationist, Born (1866)
July 29 — International Tiger Day
July 30 — Golden Spike National Historical Park Created (1965)
July 31 — Curt Gowdy, Sportscaster and Conservationist, Born (1919)