From and including: Monday, April 15, 1912
To, but not including Tuesday, September 24, 1929
910 weeks and 1 day = 911
From and including: Monday, April 15, 1912
To, but not including Monday, September 30, 1929
911 weeks
September 30, 1929 (Monday)
At Frankfurt, Fritz von Opel made the world's first flight in a rocket-propelled plane, the RAK.1, for about a mile and a quarter at an average altitude of 49 feet. Opel crashed upon landing but was unhurt.
No comments:
Post a Comment