Priori Incantatem
Harry's wand forced Voldemort's want to "regurgitate" the last deaths it had performed.
Mudblood.... most of Voldemorts people use it! :)
It Depends on the user and how strong is their magic, for instance Harrys speed is 1025k/h
Magic Darts happened in 1991.
Magic Orbz happened in 2009.
Magic Jewelry happened in 1990.
Lords of Magic happened in 1998.
The Magic Candle happened in 1989.
The Magic of Scheherazade happened in 1987.
Palace of Magic happened in 1987.
Magic Pockets happened in 1991.
Magic Sword happened in 1990.
Dungeon Magic happened in 1993.