Historical information of one TK note.

According to linguists, the word Bangla is derived from Sanskrit "tonk", which means silvermoon. In Bengal state, money is always used to refer to any coin or metal coin. In the 14th century, Ibn Batuta noticed that the people of Bengal Sultanate used to say "money" without paying dinar to gold and silver.

1947 to 1971
After the partition of Bengal in 1947, in East Bengal (part of the Pakistan Legislative Assembly) and in 1956 East Bengal was renamed East Pakistan; Where the word "money" was printed in Pakistani rupees also. Before the liberation war, the rupee was in circulation in this land as currency. On 4th March 1972 as a public currency - "money" was announced. Until the circulation everywhere, Pakistani rupees were used even after several months of independence. During the War of Liberation, a non-official practice was introduced by the Bengali nationalists against the Pakistani rule: "Bengali country" in Bengali and "Bangla Desh" stamp in English with rubber stamps on Pakistani rupee notes. On June 8, 1971, the Pakistani government declared all the rubber stamps with notes illegal, illegal and unclaimed. [1]

Current edit from 1972
In 1972, the government of Bangladesh issued the name of the newly independent state currency. Next, the money is Tk.
The first treasury note was of Tk1 in 1972, which was in existence until 1993.
One percent of the money is called money. That means, Tk. 1 is equal to 100 paisa.
Tk. 2 treasury notes were announced in 1989.
In 1972 the first notes of the money were announced: Tk 5, Tk 10 and Tk 100.
In 1975, the first Tk 50 note was announced, the first Tk 500 note in 1977 and the first Tk 20 note was announced in 1980.
Tk 1000 worth of value notes were first announced in 2008.

In Bangladesh, the paper notes are available in Tk 1, Tk 2, Tk 5, Tk 20, Tk 50, Tk 100, Tk 500 and Tk 1000. Also available are 1 paisa, 5 paisa, 10 paisa, 25 paisa, 50 paisa, Tk 1, Tk 2 and Tk 5. Central bank of Bangladesh, responsible for the circulation and control of paper notes on behalf of the Bangladesh Bank. Also 1 paisa, 5 paisa, 10 paisa, 25 paisa and 50 paisa are currently inaccessible.