O

Directory

References

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Srinivasa Ramanujan, Indian mathematician and autodidact.

6 Interesting Facts about Srinivasa Ramanujan

Panama Canal infographic

Timeline and Map of the Panama Canal

Coriander leaves, fresh green cilantro on wooden background, herbs

Why Does Cilantro Taste Like Soap to Some People?

The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)

9 Worst Generals in History

Entrants falling and tumbling over while chasing the cheese at the 2016 'Cheese Rolling' held at Cooper's Hill, in the Cotswolds, Brockworth England

7 of the World’s Most Dangerous Festivals

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

O

surname prefix

Also known as: Ua

Learn about this topic in these articles:

history of surname prefix Mac

In Mac
…Tierney (Ua, later shortened to O, means grandson or, more loosely, descendant).
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