Decades: 860s 870s 880s 890s 900s - 910s - 920s 930s 940s 950s 960s
Years: 906 907 908 909 910 - 911 - 912 913 914 915 916
Births
Deaths
... the precession of the gyroscope is supported and amplified by wrist motion. It takes a while until one finds the "rolling" point, but the gyro will also be accelerated ...