Elizabeth I dies and James VI of Scotland accedes to the English throne. Elizabeth I died childless so was succeeded by her cousin, James VI of Scotland, who henceforth assumed the title of James I of England as well.
T minus zero means out of time.. This comes from a countdown convention used in by both the American military and NASA. Generally, it is used when counting down to a major event that will happen at a specific time. Mathematically, T is time, minus whatever amount of time is left until the event happens.
1 TM A name, symbol, or other device used to identify and promote a product or service, especially an officially registered name or symbol that is thereby protected against use by others.  A distinctive characteristic by which a person or thing comes to be known: the snicker that became the comedian's trademark.