Athens, Greece, in 1896.
In 1896 for modern, 776 BCE for ancient.
The First IOC Olympics to place in 1896 but I think the modern Olympics were revived in 1859.
The modern Olympics started in 1896 in Greece and since 1900 they take place in other countries
The Olympics take place in August
Athens, Greece 1896.
The Olympics took place in Athens
The first international Olympics took place in Athens, Greece from April 6 to April 15, 1896