They stretched from Ruthin, where the uprising against the English began in 1400, to Machynlleth, where Glyndwr held the first Welsh parliament.
All across Wales, events took place to celebrate the Welsh national hero.
Glyndwr, who was proclaimed Prince of Wales on September 16, 1400 after rebelling against English rule, is a key figure in Welsh history and was the last Welsh-born Prince of Wales.
Now the campaigning group, Embassy, wants the anniversary of the revolt in Wales against Henry IV to become a national day.
To mark September 16, a series of festivals and events were held across the country.
They stretched from Ruthin, where the uprising against the English began in 1400, to Machynlleth, where Glyndwr held the first Welsh parliament.
In Machynlleth, a special sculpture to Glyndwr by artist Ieuan Rees was unveiled.
The town also hosted a candelight procession, a mediaeval banquest, and a poetry evening which was the culmination of two separate tours through north and south Wales by two groups of Welsh-language poets.
The Welsh Tourist Board urged people to fly the Welsh flag from their homes.
Elsewhere, the Lolfa publishing house printed a special commemorative stamp as a protest against the Royal Mail deciding not to produce an official stamp for the occasion.
In Cardiff, Cymdeithas Yr Iaith Gymraeg held a protest outside the National Assembly in Cardiff Bay calling for a new Welsh Language Act.
In north Wales. The Welsh historical monument society Cadw opened the site of Glyndwr's home at Glyndyfrydwy, near Corwen, to the general public for the weekend.