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A magnetic compass was invented during the Chinese Han Dynasty bout 206 BC. For navigation it was used in China during the 11th Century. The first usage in Western Europe and Persia was during the 13th Century
What else can I help you with?
Two instruments developed to aid travelers at sea were the?
Compass and Astrolabe
Is srilanka developed country?
No it is not a developed country. It is a developing country
Is the united kingdom considered a developing country?
yes becaues to be a developing country you have to be growing with either people or space or the country has to be a country and has to have a econinmine
Is togo a developed country?
yes it is a developed country.
Is Taiwan a developed country?
Yes, it is a developed country. For those that don't agree that it is a "country" then developed or first world area would do.
What is a more economically developed country?
Simple, you just said it. More economically developed country is a more economically developed country.
Is the US a developed or developing country?
The United States is a developed country.
Is Spain a developed country?
yes Spain is developed lol not Spain is undeveloped
Is Portugal developed or undeveloped economy?
Portugal would be regarded as a developed country.
Is Japan a developing country?
No, Japan is a fully developed country.
Is Australia a developed country emerging market newly industrialized or developing country and why?
Developed country.
When was the compass rose invented?
No one knows for sure, but there is speculation that it was developed around 1200 AD.
