Sort The Historic Events #6

Joseph Henry invents the electromechanical relay
Martinus van Marum is the first to use the electrolysis technique
John Randall and Harry Boot developed the high power, microwave generating, cavity magnetron
Zénobe Gramme invents the first commercial electrical generator, the Gramme machine
Francis Rynd invents the hypodermic needle
Correct guesses on each try:

How to play?

SortWhiz.com is a sorting game. In each game you are given a list of items in random order. Your goal is to sort the items in the correct order in as few tries as possible. You simply drag and drop the items into the correct order and press "Guess".

About this game

Step back in time and explore some of the most groundbreaking discoveries and milestones in human history! From revolutionary inventions to pivotal scientific breakthroughs, each event has shaped the world we live in today. Can you accurately determine which of these historic moments happened first?

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