1777: Washington ordered the entire Continental Army to be vaccinated against smallpox.
1819: Hannah Hoes Van Buren died of tuberculosis.
1826: Millard Fillmore married Abigail Powers.
1918: Theodore Roosevelt was treated for a thigh abscess, blood loss and fainting, inflammatory arthritis, and bilateral otitis media when he returned from his Amazon exploration.
1993: Bill Clinton signed the Family and Medical Leave Act.