...hills of Rome
...planets smaller than Earth in the solar system
...scientific bases in Antarctica
...movies that grossed more than $3 billion
...capitals in South Africa
...Tropics
...BRICS countries in Africa
...landlocked countries in Americas
...popes born in the 20th century
...islands larger than Borneo
...months in which Catholic Easter can be celebrated
...Abrahamic religions
...different teams that have won the UEFA Conference league
...countries with more people than the United States
...world wars
...lumbar vertebrae
...colors in the flag of China
...rivers longer than the Volga
...EU countries that do not use the Euro
...monarchies in Africa
...muscles in the hand
...pounds in a kilogram
...natural satellites of Neptune
...perfect squares between 10 and 30
...quarters in a basketball game
...goalkeepers who won the Ballon d'Or
...stars on the flag of Syria
...countries bordering Spain
...foci in an ellipse
...U.S. states bordering the Pacific Ocean
...femurs in the human body
...U.S. presidents elected for two non-consecutive terms
...countries that produce more oil than Saudi Arabia
...capitals farther south than Montevideo
...weeks in 1,000 hours
...catheti in a right triangle
...countries that border Cyprus
...calories in a joule
...teams in London that have won the Champions League
...symphonies written by Beethoven
...national teams that have won at least 2 UEFA European Football Championships
...nuclei in a eukaryotic cell
Nommed
Thanks also for the suggestion about the Americas, I didn't know that.