The Court ruled that "Live Free or Die" could be coated on NH license plates. 1977 Apr 20, The US Supreme Court, in Wooley v. Maynard, said motor vehicle entrepreneurs could refuse to show condition mottoes on license plates. 1988 Apr 20, Gunmen who experienced hijacked a Kuwait Airways jumbo jet ended up permitted safe passage out of Algeria. 1988 Apr 20, Hector Felix, a muckraking Mexican journalist, was murdered.