Johann Mohr

Directory

References

Discover

Poker game. Card game. Royal Flush in poker. Hearts suit gambling

Poker Hands Ranked

Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays

Is Cinco de Mayo Mexico's Independence Day?

Periodical Cicada, Adult, Magicicada spp. Requires 17 years to complete development. Nymph splits its skin, and transforms into an adult. Feeds on sap of tree roots. Northern Illinois Brood. This brood is the largest emergence of cicadas anywhere

Why Do Some Cicadas Appear Only Every 17 Years?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.

6 Animals We Ate Into Extinction

Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg

Spies Like Us: 10 Famous Names in the Espionage Game

Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar

Ten Days That Vanished: The Switch to the Gregorian Calendar

Johann Mohr

German scholar

Learn about this topic in these articles:

contribution to mathematical recreation

In number game: Pioneers and imitators
And in 1665 one Johann Mohr in Schleswig published an imitation of Schwenter under the title of Arithmetische Lustgarten.
Read More