The oldest Engineering school still in use is French.
Following the creation of the Corps of Bridges and Roads in 1716, the King's Council decided in 1747 to found an Engineering School, the "École royale des ponts et chaussées" to train the state's Engineers.
Note it has been the first time ever the term "Engineer" was used.
In 1775, the school took its current name as École nationale des ponts et chaussées (ENPC). ENPC still trains more than 1100 Engineers each year in Paris.
In the US, while some of the oldest Universities have engineering departments, those departments were founded later than some of the schools listed below.
West Point says they are the oldest engineering school in the country (1802).
Rensselaer Polytechnic Institute says it's "the oldest technological university in the English-speaking world". (1824)
MIT was founded in 1861.
Stevens Institute of Technology states they are the "fourth-oldest technological university in the United States." (1870)
Georgia Institute of Technology was found in 1885.
Wynnton Elementary School is the oldest building in Georgia still serving as a library. It has been in use as continuously since 1843.
It is the oldest NATIONAL flag still in use - it is not the oldest flag.
sanskrit is the oldest language and it is still in use in HINDI rituals
Sanskrit
Copper
The first school building in North Dakota was built in Pembina, North Dakota and used as a school from 1875 to 1881. The building is owned by the city and is still in use as a Masonic Lodge.
Sterling
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Lambeau Field
The Dutch tricolour flag is the oldest tricolour flag still in use.
The world's oldest currency still in use is Pound Sterling (The currency of the United Kingdom).
All remedies are still in use.. The first proved medicine was Cinchona By Dr Hahnemann.