Across

3. In the ____ v. Board of Education case on May 17, 1954, the Supreme Court ruled that segregation of public schools denies equal education opportunity (5 letters)

6. This Alan became the first American in space on May 5, 1961 (7 letters)

9. This British cruiser was torpedoed by a German submarine on May 7, 1915, while carrying 1,924 passengers (114 of them American), prompting the U.S.’s entry into WWI (9 letters)

11. This “Mount” in Washington erupted on May 18, 1980, for the first time since 1857 (8 letters)

13. The 35th president, born in Brookline on May 29, 1917, became the fourth president to be assassinated when he was shot in Dallas in 1963 (3 letters, abv.)

14. British nurse Florence ____, born May 12, 1820, improved sanitary conditions for military clinics and hospitals (11 letters)

15. Abolitionist John ____, born May 9, 1800, led the attack on Harpers Ferry and participated in Bleeding Kansas (5 letters)

Down

1. The direction in which Lewis and Clark departed from St. Louis on May 14, 1804 (9 letters)

2. This Amelia became the first woman to fly solo across the Atlantic (8 letters)

4. On May 10, 1994, this former political prisoner was inaugurated as president of South Africa (7 letters)

5. This ship’s hull was used to construct a Confederate ironclad that was destroyed on May 11, 1862, after being defeated by a Union ironclad in March (9 letters)

7. This square in Chicago was the location of a labor riot on May 4, 1886, in which 7 policemen were killed and 50 wounded (9 letters)

8. This author and philosopher, born May 25, 1803, was famous for his transcendentalist writings and friendship with Henry David Thoreau (7 letters)

10. The 33rd president, born May 8, 1884, and inaugurated after FDR died in office (6 letters)

12. This German airship burst into flames on May 6, 1937, causing a commentator to exclaim, “Oh, the humanity!” (10 letters)