2013 Event In France, an amended bill legalizing same-sex marriage is passed, opening the door for Francois Holland to promulgate it 2011 Event The U.S. Texas Senate approves amended legislation allowing students in Texas to carry handguns on campus 1980 Event US's copyright law amended to include computer programs 1878 Event Treaty of Berlin amended terms of Treaty of San Stefano 1855 Event U.S. citizenship laws amended all children of U.S. parents born abroad granted U.S. citizenship
