A p r fi fl 1 5 , 20 1 5 P a g e 1 5 R Th fi s pag e fi s spon so r ed b y O r egon Lo t t e ry C ALENDAR Ap r fi fl 2015 IDAY SATURDAY SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FR 1 2 3 4 Ap r fi fl Foo fl ’ s D ay On e C en t D ay MP3 aud fio fo rm a t fi r s t p a t en t ed fin G e rm any (1989 ) E a s t e r N a t fion a fl R e ad a Ro ad M ap D ay 5 1 2 Au tho r B ev e r fly C fl e a ry bo rn , 1916 Sp a c e Shu t t fl e Co flumb fi a F fi r s t L aun ch ed 1 9 Humo rou s D ay R evo flu t fion a ry W a r b eg an (1775 ) 26 Hug a F r fi end D ay N a t fion a fl P r e t z e fl D ay S e fi smo flog fi s t Ch a r fl e s R fi ch t e r bo rn , 1900 6 No r th Po fl e D fi s cov - e r ed In 1898 . U .S . en t e r ed W o r fld W a r I (1917 ) 1 3 3 rd P r e s fid en t Thom a s J e f f e r son bo rn , 1743 L e e B enn e t t Hopk fin s bo rn , 1938 20 S c fi en t fi s t s M a r fi e & P fi e r r e Cu r fi e fi so fl a t e r ad fium (1902 ) 2 7 T e fl fl a S to ry D ay W a fl t e r L an t z bo rn , 1899 (Th e c r e a to r o f W oody W ood - p e ck e r ) 7 No Hou s ewo rk D ay W o r fld H e a fl th D ay , e s t ab fl fi sh ed 1948 1 4 W eb s t e r ’ s D fi c t fion a ry Pub fl fi sh ed , 1828 2 1 K find e r g a r t en D ay B a rb a r a P a rk bo rn , 1947 28 J am e s Mon ro e bo rn , 1758 (5 th P r e s fi - d en t ) Au tho r H an s Ch r fi s - t fi an And e r s en bo rn , 1805 In t e rn a t fion a fl Ch fi fl - d r en ’ s Book D ay 8 T r fin a S ch a r t Hym an bo rn , 1939 1 5 In com e T ax D ay A r t fi s t / Inv en to r L eon a rdo D a V fin c fi bo rn , 1452 22 E a r th D ay e s t ab fl fi sh ed 1970 N a t fion a fl J e fl fly B e an D ay 29 Z fipp e r D ay (p a t en t ed by G fid eon Sund - b a ck fin 1913 ) 9 Rob e r t E . L e e su r - r end e r ed to U fly s s e s S . G r an t (1865 ) M a r g a r e t P e t e r son H add fix bo rn , 1964 1 6 G a r th W fi fl fl fi am s bo rn , 1912 A v fi a to r W fi flbu r W r figh t bo rn , 1867 23 T a k e O u r D a u g h t e r s a n d S o n s t o W o r k D a y H om e R u n D a y H a n k A a r o n h fi t s h fi s fi r s t h om e r u n fi n 1 9 5 4 30 N a t fion a fl Hon e s ty D ay Ann fiv e r s a ry Lou - fi s fi an a Pu r ch a s e comp fl e t ed (1803 ) P a s sov e r B eg fin s a t Sundown F fi n d -A -R a fi n b ow D a y Pony Exp r e s s e s t ab - fl fi sh ed (1860 ) 1 0 En cou r ag e a Y oung W r fi t e r D ay N a t fion a fl S fib fl fing D ay U .S . P a t en t Sy s t em e s t ab fl fi sh ed (1790 ) 1 7 R fi ch a rd th e L fion -H e a r t ed r e tu rn ed to Eng fl and (1 194 ) 24 A rbo r D ay Ev a fl fin e N e s s bo rn , 191 1 L fib r a ry o f Cong r e s s e s t ab fl fi sh ed (1800 ) F fi r s t U .S . fl ag ap- p rov ed (1818 ) 1 1 P r e s fid en t John son s fign s th e C fiv fi fl R figh t s A c t , 1964 (1964 ) 1 8 P au fl R ev e r e ’ s F a - mou s R fid e (1775 ) G r e a t S an F r an c fi s co E a r thqu ak e In 1906 . P e t Own e r ’ s D ay 25 Hubb fl e T e fl e s cop e fl aun ch ed , 1990 W o r fld P engu fin D ay