Capitalize proper names of all persons (including nicknames), places, and things.EX.
Henry Jones; Janet Jackson; Madonna; Lady Gaga; P. Diddy; Harry Potter.EX.
Google; Mars; Hubble Telescope; the Massachusetts General Court; Bunker Hill Monument; the Greyhound Bus Line; the Finance Committee.EX.
Lower California; Australia; Broad Street Station; Rhode Island Avenue; the United States Army; Cook County; a Social Democrat; the Fifth Avenue
Philadelphia; President; Senate; Congress; etc.