TUESDAY, JULY 7, 2009

Today is Tuesday, July 7, the 188th day of 2009. There are 177 days left in the year.

1668 _ Isaac Newton receives MA from Trinity College, Cambridge

1838 _ Central American federation is dissolved

1846 _ U.S. annexes California

1865 _ Four Lincoln assassination conspirators, including Mary Surratt, hanged

1891 _ Travelers check patented

1937 _ Japanese and Chinese troops clash, which will become WW II

1941 _ U.S. forces land in Iceland to forestall Nazi invasion

1968 _ Rock group ``The Yardbirds" disband

1969 _ Canada's House of Commons approves equality of French-English language

1983 _ Eleven-year-old Samantha Smith of Manchester, Maine, leaves for USSR