1) The word "book" contains two vowels: O and O.

2) The shortest war in history lasted only 38 to 45 minutes between Britain and Zanzibar in 1896.

3) The baguette, a long and crusty bread loaf, is synonymous with French culinary culture. It is a staple in French bakeries and is characterized by its crisp exterior and soft, airy interior. The baguette is typically made from wheat flour, water, yeast, and salt and is traditionally shaped by hand. It is enjoyed fresh and is a popular accompaniment to meals, sandwiches, and cheese platters, adding a touch of elegance and tradition to the dining experience.

4) The word "banana" contains three vowels: A, A, and A.