in English:in other languages:
 Engineering: 
 1987-1995 Sharp X68000 
 1984-1986 Sinclair QL 
 1982-2003 NEC PC98 
 1981-1991 PC families 
 1978-2009 Laserdisc players 
 1975-2019 Video disc systems  
 1974-1991 Pocket computers 
 1960-now Our vehicles 
 About languages: 
 About Esperanto 
 Foreign words from East Asia 
 Detective Conan, international 
 Polyglot: astronomical terms 
 Polyglot: the 7 weekdays 
 Polyglot: names of the recorder 
 Other topics: 
 Big bodies in the Solar System  
 Genealogy - my ancestors 
 The German penny symbol ₰