... In Arithmetic, 1+1 = 2,  in Computer Science, 1+1 = 0, but in Love, 1+1 = 1!


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[History]  The first U.S. President who received a Ph.D. degree: Woodrow Wilson, from John Hopkins University, in 1886.


[History]  The first sales tax in the U.S. was in effect in the state of West Virginia on 1 July 1921. Now the only 5 states having no sales tax are: Alaska, Delaware, New Hampshire, Oregon and Montana, as of 2005.


[Sports]  The first golf shot played on the Moon was in 1971.


[History]  Cleveland, Ohio, U.S. became the first city in the world to be lighted electrically in 1879.


[Tech.]  Apollo 17 is the last Apollo spaceship of Moon landing to carry out geological studies and brought rock and soil back to the Earth, on 7-14 December 1972. Its commander, Eugene Cernan, is the last man to leave the moon.


[History] In 1849, Abraham Lincoln (then Illinois congressman) received a U.S. patent for “a device for buoying vessels over shoals”. He is still the only U.S. President receives a patent.