People:
* Individuals: John Smith, Queen Elizabeth II, Oprah Winfrey, Albert Einstein, Maya Angelou
* Fictional Characters: Harry Potter, Sherlock Holmes, Hermione Granger, Darth Vader, Katniss Everdeen
Places:
* Countries: United States, Canada, Japan, Brazil, Egypt
* Cities: New York City, London, Tokyo, Paris, Rome
* States: California, Texas, Florida, Illinois, Alaska
* Continents: Asia, Europe, Africa, North America, South America
* Mountains: Mount Everest, Mount Kilimanjaro, Mount Fuji
* Oceans: Pacific Ocean, Atlantic Ocean, Indian Ocean, Arctic Ocean
* Rivers: Mississippi River, Nile River, Amazon River, Yangtze River
* Buildings: The Empire State Building, The Eiffel Tower, Buckingham Palace, The Great Wall of China
Organizations:
* Companies: Google, Apple, Microsoft, Amazon, Tesla
* Schools: Harvard University, Yale University, Stanford University, Oxford University
* Government Agencies: FBI, CIA, NASA, United Nations, World Health Organization
* Teams: The Los Angeles Lakers, The New York Yankees, The Manchester United FC
Other:
* Holidays: Christmas, Thanksgiving, Hanukkah, Easter, Ramadan
* Days of the Week: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
* Months: January, February, March, April, May, June, July, August, September, October, November, December
* Books: *The Lord of the Rings*, *Pride and Prejudice*, *The Hitchhiker's Guide to the Galaxy*
* Movies: *Star Wars*, *The Godfather*, *Titanic*, *The Shawshank Redemption*
* Songs: "Bohemian Rhapsody," "Imagine," "Hallelujah," "Yesterday"
* Planets: Mars, Jupiter, Saturn, Uranus, Neptune
* Stars: Polaris, Sirius, Betelgeuse
* Historical Events: The American Revolution, The Civil War, World War II, The Renaissance
Key Features of Proper Nouns:
* Capitalized: Always capitalized in written English.
* Specific: Refer to a unique and particular person, place, or thing.
* Not Describing: Don't describe a general category; they name something specific within that category.
Let me know if you have any other questions!