Spanish cuisine a signal of piety. The arrival of Europeans in America, in 1492, initiated the advent of new culinary elements, such as tomatoes, potatoes, corn, bell peppers, spicy peppers, paprika, vanilla and cocoa or chocolate. Spain is where chocolate was first mixed with sugar to remove its natural bitterness. Other ingredients traveled to the Americas, such as rice, grapes, olives and many types of cereals. Many traditional Spanish dishes such as tortilla de patata (an omelette made with potatoes), would not be possible without the discovery of America. Gazpacho, salmorejo, and pan tumaca are made with tomatoes, which traveled from America
Vegetable ivory use of vegetable ivory, attested from the 1880s, was the manufacture of buttons. Rochester, New York was a center of manufacturing where the buttons were "subjected to a treatment which is secret among the Rochester manufacturers", presumably improving their "beauty and wearing qualities". Before plastic became common in button production, about 20% of all buttons produced in the US were made of vegetable ivory. Vegetable ivory has been used extensively to make dice, knife handles, and chess pieces. It is a very hard and dense material. Similar to stone, it is too hard to carve with a knife but instead