20th Century Innovation Timeline - The Great Idea Finder - Celebrating the Spirit of Innovation
20th Century Innovation Timeline 1900 00 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 YEAR INVENTION INVENTOR 1900 Dirigible Hershey Bar Radio, Wireless Signaling Ferdinand Zeppelin Milton Hershey Reginald Fessenden 1901 Assembly Line Electrostatic Motor...