Of course, the system of harmonics devised by this triangle mathematician is based on ratios
Who is Pythagoras?
The Former Edo Castle, 1926-1989, this Japanese Emperor
Who is Hirohito?
This country's "February Revolution" of 1917 began on March 8 on the calendar we use today
What is Russia?
Scientists in South Africa are trying to bring back the quagga, a species of this that became extinct in the 19th century
What is a Zebra?
Who is Ed Sheeran?
This 5-letter word means "city-state", a principal unit in the Greek political system
What is Polis?
Palace of Versailles; This French King was killed via Guillotine
Who is Louis XVI?
The rising on this religious holiday in 1916 briefly proclaimed a free Irish republic before it was crushed.
What is Easter?
Get moving and get fit with this program that combines Latin dance moves with aerobic exercises.
What is Zumba?
2008: "19"
Who is Adele?